Authenticating African Masks: Origin, Authenticity & Value (2026 Guide)
Authenticating African Masks: Origin, Authenticity & Value (2026 Guide)
Picture this: you're browsing a flea market in Brussels and spot an exquisite carved mask. The seller asks €45 and claims it's "authentically African, possibly from tribe X or Y." You hesitate. How do you know if this is a genuine tribal artifact or a mass-produced item from a Chinese factory that arrived three weeks ago?
This scenario plays out daily on markets, auctions, and online platforms worldwide. The African mask market is saturated with confusion, reproduction, and only occasional authentic collectible pieces. Owners and collectors wrestle with the same question: how do I distinguish authentic from fake?
AntiqBot's AfroCheck specializes in authenticating African masks and sculptures. This article equips you with the tools to become an expert in recognizing and appraising African masks. We cover materials, construction techniques, stylistic markers, provenance verification, and practical valuation.
Why 90% of African Masks on Markets Are Not Authentic
Let's be direct: the African mask market in 2026 is saturated with reproduction and forgery. This didn't happen by accident.
From the 1960s onward, Western collector markets and major museums in Europe and North America massively acquired African art. Prices climbed steeply as museums, from the Met to the Musée du Quai Branly, acquired extensively. This triggered enormous demand. Craftspeople in West Africa (and later Asia) began producing masks en masse for export markets. Not all were genuinely old; many weren't even traditionally made.
The problem persists today. Several reasons explain this:
1. Cheap Mass Production from Asia
Chinese factories produce thousands of "African" masks annually. They copy photographs, use inexpensive timber, and add artificial patina with tea, coffee, and chemicals. Production costs are a fraction of market selling prices, leaving substantial margins for whoever controls the supply chain.
2. Local Reproduction in Africa
Modern craftspeople in West Africa (Ghana, Mali, Burkina Faso, Côte d'Ivoire) create new masks in traditional styles. This isn't inherently wrong, it's cultural heritage, but pieces are subsequently sold as "old" and "authentic" to unsuspecting foreign buyers.
3. Lack of Expertise in the Supply Chain
Many market vendors, online sellers, and even smaller auction houses lack formal training in African art identification. They rely on what they heard ("It looks old"), seller narrative, or guesswork.
4. Cultural Opportunism
Some dealers knowingly sell reproduction as "contemporary tribal art" or "folk art interpretation work." Technically true, but misleading to those seeking antique pieces.
The result: a significant portion of what's offered on markets and budget online shops as "old African" is in fact recent reproduction or mass production. Authentic, genuinely used pieces of 50+ years are the minority. This isn't cynicism, it's market reality.
The Major Styles and Origin Regions
To recognize African masks, you must become familiar with major stylistic families. Each African people or ethnicity maintained distinct masking traditions, with characteristic forms, proportions, and decorative elements. Here are the nine most collected and most counterfeited styles:
Dan (Côte d'Ivoire, Liberia)
Origin: Dan kingdom, primarily southeastern Côte d'Ivoire and adjacent Liberia.
Function: Dan masks were worn during hunting ceremonies, initiation rites, and judicial assemblies. They represented ancestral authority.
Characteristics:
- Narrow, elongated faces with prominent noses
- Smooth, glossy surfaces, almost polished appearance
- Subtle asymmetry (not perfectly symmetrical like many copies)
- Often wooden ears protruding
- Dark brown to black patina from continuous use
Value: Authentic Dan masks, 50+ years: €3,000-8,000. Museum quality: €15,000+. Modern reproduction: €20-80.
Spotting Fakes: Reproduction Dan masks are usually too smooth and overly symmetrical. Genuine Dan work shows minor irregularities, edge wear, and original paint traces.
Baule (Côte d'Ivoire)
Origin: Baule people in central Côte d'Ivoire, migrated from Ghana.
Function: Dance masks for Goli ceremonies (initiation). Also portrait-style masks with feminine appearance.
Characteristics:
- More idealized faces than Dan masks
- Subtle ornamentation: carved line-work on forehead and cheeks
- Usually red and white pigment (though much original color has faded)
- Balanced, "classically beautiful" proportions
- Often fitted with raffia or natural hair
Value: Authentic Baule: €2,000-6,000. Top pieces: to €12,000.
Spotting Fakes: Cheap copies often feature overly vivid pigmentation (not faded). Genuine Baule work shows at least one or two tone-losses.
Senufo (Côte d'Ivoire, Mali, Burkina Faso)
Origin: Senufo confederation in triangle: Côte d'Ivoire-Mali-Burkina Faso.
Function: Initiation masks for Poro secret societies; hunting rituals.
Characteristics:
- Elongated superstructures (extended crown)
- Minimalist facial expression
- Often geometric patterns (parallel lines, triangles)
- Wood typically lighter (yellow/gray-brown) than Dan
- Frequently: carved horns or beaks
Value: Authentic Senufo: €1,500-5,000. Fine examples: to €8,000.
Spotting Fakes: Cheap Senufo reproductions often show excessive detailing. Genuine Senufo is minimalist, with extensive negative space.
Dogon (Mali)
Origin: Dogon people in Mali, renowned for architecture and cosmology.
Function: Kanaga masks (bird-form) for danza dances honoring deceased men.
Characteristics:
- Unmistakable bird form: long beak, wings
- Often 60-80 cm tall, much larger than other masks
- Carved from single tree trunk
- Minimal decoration
- Dark brown patina
Value: Authentic Dogon Kanaga: €3,000-10,000+. Very large examples: €15,000+.
Spotting Fakes: Cheap Dogon copies are lighter (thinner timber) and smaller. Genuine Dogon feels heavy and dense.
Bambara (Mali)
Origin: Bambara people in Mali.
Function: Chi-wara antelope masks (worn in pairs) for harvest dances.
Characteristics:
- Antelope forms with long horns and elegant body
- Highly stylized, almost abstract
- Often decorated with geometric lines and carving
- Dark, complete patina
- Weight is crucial: genuine Chi-wara feels dense
Value: Authentic Bambara Chi-wara (pair): €6,000-18,000 (very rarely >€25,000). Top pieces: to €25,000+.
Spotting Fakes: Reproduction Chi-wara are far too light and show no genuine horn wear.
Fang (Gabon, Equatorial Guinea)
Origin: Fang people in Gabon and adjacent regions.
Function: Byeri reliquary houses with carved facial masks on front; Ngil masks for judicial proceedings and conflict resolution.
Characteristics:
- Oval, smooth faces with high foreheads
- White pigmentation (kaolin), highly characteristic
- Fine sculptural forms
- Often large eyes
- Light timber (Obé wood)
Value: Authentic Fang: €2,500-7,000. With intact white pigmentation: +30-50%.
Spotting Fakes: Many copies feature plastic-like white (modern acrylic). Genuine Fang white is subtler, partially faded from age.
Chokwe (Angola, Zambia, DRC)
Origin: Chokwe people in Angola, Zambia, and eastern Congo.
Function: Cikungu masks (red and white) for initiation rituals.
Characteristics:
- Red and white painted geometric face masks
- Expressive mouth form (open or smiling)
- Incisions for tattoo patterns
- Often with raffia hairwork
- Less smooth than Dan; more sculptural
Value: Authentic Chokwe: €1,500-5,000. With original pigmentation and raffia: €6,000-10,000.
Spotting Fakes: Cheap Chokwe copies have obvious red paint (synthetic). Genuine Chokwe red is muted and faded.
Yoruba (Nigeria)
Origin: Yoruba people in Nigeria.
Function: Gelede masks (used in celebrations honoring female spiritual power; worn by both male and female dancers) for dance and fertility ceremonies.
Characteristics:
- Tall, intricately carved with sculptures on the crown
- Highly detailed ornamentation (beads, geometric patterns)
- Usually black wood
- Large (20-40 cm)
- Male and female variants
Value: Authentic Yoruba Gelede: €2,000-8,000. With original beading: to €12,000.
Spotting Fakes: Copies lack the refinement of genuine Yoruba carved work. Carving feels superficial.
Punu (Gabon)
Origin: Punu people in Gabon, coastal region.
Function: Okuyi masks for female spiritual power celebrations (performed by both male and female dancers).
Characteristics:
- Oval face with protruding forehead
- Finely carved coiffure (highly detailed)
- Often white kaolin pigmentation
- Noble, serene facial expression
- Lighter timber than many other styles
Value: Authentic Punu: €1,500-5,000. Fine hair sculpture: €6,000-10,000.
Spotting Fakes: Reproduction Punu hairwork is crude and unrealistic. Genuine Punu shows incredible precision in details.
Kuba (Democratic Republic of Congo)
Origin: Kuba kingdom in DRC.
Function: Bushoong and Bwoom masks for royal ceremonies and dance.
Characteristics:
- Massive construction with large eyes
- Often fitted with brass or copper decoration
- Intricate geometric patterns and carving
- Black-brown timber
- Very heavy pieces
Value: Authentic Kuba: €3,000-10,000. Well-appointed with metal: €12,000-20,000+.
Spotting Fakes: Cheap Kuba copies use fake metals (aluminum painted as copper). Genuine Kuba shows real patina on metals.
Materials and Craftsmanship: What Wood Tells Us
African masks are almost universally carved from wood. The timber species, how it was carved, and how time and use transformed the surface tells a story. For experts, this story is crucial to authentication. Wood selection varies by region and ethnic tradition, certain species only grow in specific areas, which helps determine origin.
The Wood Species
Authentic African masks are carved from local hardwoods:
- Ayous/Obéché (West Africa): extremely light, fine-grained, highly workable
- Iroko/Odum (West Africa): extremely dense, golden tone, heavy patina
- Padouk/Pterocarpus (West Africa): red/brown tint, fragrant
- Teak (West Africa): golden-brown, oily
- Shea (West Africa): gray-brown, medium weight
Cheap reproduction uses:
- Linden wood (light, soft, very easy to carve)
- Poplar
- Birch
- Softwood (pine, cedar)
Test: Genuine masks feel heavier than expected. A reproduction linden mask feels light and hollow. A 20x15 cm mask should weigh at least 800-1200 grams. Reproduction often weighs 300-600 grams.
Tool Marks
Traditional African craftspeople used:
- Stone axes
- Metal axes (locally forged or sourced via Arab trade routes)
- Carving tools of bone and stone
- Metal and obsidian blades
These tools leave characteristic marks. Axe blows appear as small, parallel grooves running in consistent directions. Blade marks are smoother and more controlled. With a magnifying glass (10x), you can see these patterns clearly and distinguish them from machine-sanded surfaces.
Test: Examine the mask surface at 10x magnification. Authentic pieces show irregular, historical marks. Reproduction shows modern, smooth machine-sanded surfaces.
Patina: The Evidence of Age
Patina is the surface transformation of wood over decades of:
- Light and UV exposure
- Hand sweat and oils
- Ritual use (anointing with blood, plant extracts)
- Insect attack (termites)
Genuine patina:
- Is non-uniform; light and dark in streaks
- Feels smooth from millions of touches
- Has depth, it's not merely superficial
- Shows minimal flaking
Fake patina (chemically applied or forced):
- Looks uniform (evenly brown/black)
- Feels rough or tacky
- Flakes off or shows bizarre splotches
- Lacks the characteristic "sheen" of authentic patina
Test: Gently rub with your thumb on a discrete area (underside). Genuine patina polishes up gradually and feels smooth to the touch. Fake patina splinters easily, feels fuzzy, or flakes off. The difference is subtle but consistent: real patina responds to human contact; artificial patina doesn't.
Traces of Ritual Use
Traditional masks were worn extensively. Often multiple times yearly, for decades or centuries. This leaves distinctive marks:
- Wear around eye openings: rim becomes smooth and thin from friction
- Sweat/oil stains where the wearer's face repeatedly contacted the wood
- Damage on top (struck against structures during dances or processions)
- Smoke and ash incrustations (accumulated from ritual fires and ceremonies)
Fake masks lack these traces. They look "too perfect", pristine in ways that no authentic ceremonial object could be.
Termite Damage vs. Artificial Aging
Authentic African masks remaining in Africa may show termite damage: small, round holes (2-5 mm diameter) with a thin raised rim. Holes penetrate deeply.
Many forgers try to fake "termite damage" by drilling holes and removing edges. This appears as:
- Uniform-sized holes
- Equal depth
- Lack natural irregularities
Test: Examine hole structure carefully. Genuine termite work is chaotic. Artificial work is regular.
Real vs. Reproduction: 8 Concrete Checks
Here are eight practical tests you can perform without full laboratory equipment:
1. Weight Test
- Authentic: 800-2000 grams (depends on size and wood)
- Reproduction: 300-600 grams
- Tool: Digital scale (€10-20)
2. Surface Tactile Test
- Authentic: Feels soft and smooth from use-gloss
- Reproduction: Feels soft (linden) or rough (machine-sanded)
- Test: Rub gently with your palm
3. Tool Marks (10x lens)
- Authentic: Irregular parallel grooves; historical variation
- Reproduction: Smooth machine-sanded surfaces or overly regular grooves
- Tool: Magnifying glass €5-15
4. Patina Build-Up Test
- Authentic: Diverse tones; deep darkness in grooves; light on protrusions
- Reproduction: Uniform brown/black; flat
- Test: View from different angles in daylight
5. Wear Test (eye rim, nose, chin edges)
- Authentic: Smooth, thin edges; mirror gloss
- Reproduction: Sharp or thick edges
- Test: Tactile examination with your index finger
6. Underside Test
- Authentic: Rough, unfinished, may show termite traces
- Reproduction: Smooth, polished, artificially clean
- Test: Examine underside in strong light
7. Scent Test
- Authentic: May smell like old wood, possibly musty or earthy
- Reproduction: Neutral or chemical (turpentine, glue)
- Test: Gentle sniff near the mask (not from unsafe distance)
8. Bleach Test (cautious!)
- Authentic: Wood color doesn't change significantly; no whitening
- Reproduction: Linden may bleach; tinted wood may darken
- Test: Drop bleach on hidden spot (underside). Check after 10 minutes.
Warning: Test only the underside or hidden area. This is destructive.
Provenance: Why History Determines Everything
Even a perfectly carved, genuinely 200-year-old mask is legally risky and unsellable without documented provenance, a documented ownership history.
Why Provenance Matters
In antiques: "stolen goods have no value." Much African art was looted under colonial rule (19th-20th century) or illegally removed from Africa. If your mask has a history of:
- Escape from an African museum
- Suspicious sales circumstances
- No export documentation from origin country
...it's legally risky and ethically problematic.
Documents That Add Value
Top-tier provenance:
1. Auction house entry (Christie's, Sotheby's, Lempertz, etc.) with documented history
2. Museum catalog and registration number
3. Private collector residence with documented ownership transfers (letters, receipts)
4. Export license from origin country
5. CITES certificate (for ivory/bone components)
Mid-tier provenance:
- Known collectors with documented African art purchases
- Dealer labels (vintage stickers from Paris, Brussels, Antwerp)
- Photography in illustrated books (Harter, Ezra collections, etc.)
Weak provenance:
- "Purchased at a market in Mali", too vague
- "From private collection", without owner name
- "Old, from Africa", without details
CITES and Legal Landmines
Some African masks, especially Kuba and Fang pieces, feature ivory or bone inlay. This falls under CITES (Convention on International Trade in Endangered Species):
- Elephant ivory: completely banned
- Whale bone inlay: generally not CITES
- Walrus ivory: pre-1986 with documentation
- Bone (usually): permitted if pre-1970
Without a CITES certificate, transporting a mask with ivory across borders risks seizure and fines.
Practice: Before buying valuable ivory-inlaid pieces, ask for CITES documentation. Many auction houses now require it.
Repatriation Trends
African nations increasingly request artifacts back. Belgium, France, Netherlands, and Germany have committed to repatriation agreements. Pieces with strong African provenance (clearly stolen or illegally exported) may be returned on legal request.
This means: if you buy a mask and can't verify legitimate export from Africa, repatriation risk is real.
How AntiqBot's AfroCheck Module Works
AfroCheck is purpose-built for African art identification. The module analyzes photographs against a reference database and performs 50+ metric tests:
What AfroCheck evaluates:
1. Morphometry: facial proportions (eye-to-eye distance, nose-to-mouth positioning, forehead height) compared against 50+ verified reference pieces per style
2. Patina analysis: surface texture and color variation
3. Tool marks: carving style and precision degree
4. Material signature: wood density and color profiles
5. Stylistic markers: characteristic elements per style (Dan's polished finish, Baule's linear incisions, Senufo's minimalism)
6. Age indicators: patina build-up, wear, weathering
How it works in practice:
1. You upload two to four photos (front, side, underside)
2. AfroCheck analyzes against its internal reference database (5000+ verified pieces)
3. Within 30 seconds, you receive a report with:
- Match score: 0-100% likelihood of authenticity
- Probable style: Dan, Baule, Senufo, etc.
- Age estimate: range (e.g., "50-100 years old")
- Warnings: possible forgery markers
- Recommendation: "Likely authentic," "Uncertain," "Likely reproduction"
Limitations:
- AfroCheck isn't 100% accurate. It's AI, not human expert judgment.
- Sophisticated forgeries (made by skilled craftspeople) can fool the system.
- Pieces with unique histories (very old, traveled extensively in Europe) may have atypical signatures.
Best practice: Use AfroCheck as a first filter. For valuable pieces (>€5,000), always consult a human expert.
Analyze your African mask here, your first analysis is free.
Value Indication: Market Segments in 2026
Where are African masks actually traded in 2026, and what are realistic prices?
Flea Markets and Brocantes (Entry-Level)
Typical prices: €15-150 (mostly reproduction); authentic pieces: €300-1,500+
Quality: 90% is reproduction or modern craft
Where: Brussels, Antwerp, Amsterdam, Paris brocantes
Tip: You occasionally find genuine pieces here as bargains, but you must be very selective. Most brocante sellers are well-meaning resellers who don't authenticate carefully. This creates both risk and opportunity: you may buy fakes, but you can also find authentic exceptions at bargain prices.
Online Platforms (eBay, Catawiki, Vinted)
Typical prices: €50-2,000
Quality: Mixed. Lots of reproduction, occasional genuine pieces
Where: International auctions
Tip: Check seller history. Specialized African art dealers curate better than generalist sellers.
Art Galleries and Dealers
Typical prices: €1,500-8,000
Quality: Usually reliable; gallery owners curate more carefully and stand behind their stock
Where: Brussels (Drouot-affiliates), Amsterdam, Paris Left Bank
Tip: Galleries usually provide written guarantees and provenance documentation. This legal recourse is worth the premium for expensive purchases.
Auction Houses (Bernaerts, Sotheby's, Christie's)
Typical prices:
- Bernaerts (Brussels/Antwerp): €800-8,000
- International (Sotheby's, Christie's): €3,000-50,000+
Quality: High. Auction houses have expertise and curation.
Where: Brussels, London, Paris, New York
Tip: Auction houses provide appraisal reports. Invaluable when determining value.
Museum Quality (extremely rare)
Prices: €20,000-500,000+
Where: Top auction houses, major private collectors
Quality: Exceptional
Price Breakdowns by Style
Higher prices (€3,000-15,000+ per piece):
- Dogon Kanaga (antelope), rare large exemplars
- Bambara Chi-wara (highly stylized, rare)
- Fang white masks (if pigmentation intact)
- Yoruba Gelede (intricately carved)
Mid-range (€1,000-4,000):
- Dan masks
- Baule masks
- Punu masks
- Small Dogon
Entry-level (€300-1,500):
- Senufo masks
- Chokwe masks
- Small Kuba masks
- High-quality modern craft
Warning: Many online prices are artificially inflated. A €500 online listing doesn't mean it's worth that. Check actual auction closings.
Ethical and Legal Considerations
Buying and selling African masks doesn't occur in a vacuum. There are at least three major ethical and legal dimensions.
Repatriation: Africa Reclaiming Heritage
Over the past decade, African nations have filed increasingly more repatriation claims. Belgium, for instance, has returned hundreds of Congo artifacts to DRC and Cameroon. France now acknowledges similar debts.
Impact on you as a collector:
- Pieces with dubious removal histories can be claimed
- Museums are increasingly cautious and return items
- Value can become zero if the item must eventually go back
Best practice: Don't buy pieces with shadowy histories. Focus on items with documented provenance from trusted European collections.
Cultural Sensitivity
For many African communities, masks aren't artworks, they're sacred ritual tools with spiritual power. Made for use in specific ceremonies, not display. Wearing them as a non-initiate was (and is) taboo. This means that casual wearing of such masks outside ritual context violates cultural protocol.
Practical impact:
- Growing movement against mask display in Western museums
- Ritual "reactivation" of masks in Africa (they're used again)
- Growing resistance to "African art" as a commodity market
Ethically sound practice: Be respectful. Don't casually wear a mask; acknowledge it as heritage.
Export Restrictions and Customs
Many African nations have laws prohibiting old artifacts from leaving without permission:
- Côte d'Ivoire: requires export licenses for all traditional ethnographic objects; violations incur heavy fines
- Mali: idem
- Angola: idem
Most masks now in Europe left Africa illegally (before modern law, or covertly).
Consequences for you:
- If you buy privately and the origin country can prove origin, customs may seize it
- International auction houses now screen more carefully
- Online trading can be dangerous
Best practice: Buy only from reputable auction houses or galleries. Request documentation. Avoid private purchases from unknown provenance.
When You Need a Human Expert
You're now well-informed. But certain situations demand professional expertise:
Pieces > €5,000
If you seriously consider buying a mask over €5,000, pay for a written appraisal from a recognized expert. Costs €300-1,000, but protects your investment. Ensure the expert specializes in the specific style and region, a generalist "African art expert" is less valuable than someone with deep Dogon, Yoruba, or Fang expertise.
Provenance Questions
If you doubt how the piece left Africa or who previous owners were, consult an expert specializing in African art.
Certification for Insurance
If you have a valuable collection, you'll want certificates for insurance. This requires professional assessment.
Restoration and Conservation
Old masks can sometimes be carefully repaired or conserved. This must be done by a specialist, never yourself. Many restorations cause more damage than benefit, especially if modern adhesives or chemical treatments are used. A proper conservator uses archival methods and preserves historical integrity.
Legal Questions
Before selling or transporting items across borders, seek legal advice (especially if ivory/bone is involved).
FAQ: Most Asked Questions
Q: How old must a mask be to be "authentically old"?
A: Trade standards vary: some experts require 50+ years, others 100+ years. "Genuinely antique" typically means 100+ years. Pieces from 50-100 years are highly sought. Many masks date to 1960s-1970s or earlier, and these are genuine.
Q: Can I upload photos online to AfroCheck, or must I come in person?
A: You upload online. AntiqBot operates entirely digitally. Send good photos (daylight, multiple angles) and you'll get analysis within 30 seconds.
Q: What's the difference between "tribal art" and "ethnographic art"?
A: No real difference, it's terminology. "Tribal" is somewhat outdated; experts now prefer "ethnographic" or simply the ethnic name (Dogon, Yoruba, etc.).
Q: Can a mask be identified from a single photo?
A: AfroCheck can manage it with approximately 78% confidence from limited photos. Human experts prefer 3-4 angles (front, side, back, underside) plus close-ups of material and patina. More visual data significantly improves identification accuracy.
Q: What's the market value of an "average" genuinely old mask?
A: €1,200-4,500 depending on style (Senufo lower, Dan/Yoruba/Dogon higher). Non-museum quality, documented authenticity.
Q: What about masks with ivory?
A: Extremely legally complex. Ensure CITES. Many dealers now refuse ivory-inlaid African art. Costs more but risk is lower.
Q: Can I restore a damaged mask?
A: Yes, but carefully. Always use a conservator specializing in wood and ethnographic art. Cheap restoration destroys value.
Q: Where should I buy most safely?
A: Auction houses > specialized galleries > known online dealers > unknown private sellers. This is risk order.
Q: How much should I expect to spend on a "good" mask?
A: For genuinely old (50+ years), average quality, non-museum status: €1,500-5,000. Lower: likely reproduction or very basic. Higher: premium pieces or museum quality.
Q: How reliable are online prices?
A: Many are artificially inflated. A €500 online listing doesn't mean it's worth that. Check actual auction house closings for reality.
Conclusion: You're Now Better Armed
African masks are enchanting. They're also confusing. But now you have tools:
1. Stylistic awareness: you know nine major families and their characteristics
2. Materials science: you understand genuine wood, how patina forms
3. Practical tests: weight, surface, tool marks, wear
4. Provenance background: why history determines value
5. Technological assistance: AfroCheck for rapid initial screening
6. Market knowledge: realistic pricing and where to buy safely
The key principle: be cautious and thorough. Many sellers (unknowingly or deliberately) mislead buyers. Do your research carefully. Use AfroCheck as a screening tool. For expensive acquisitions over €5,000, always consult an expert.
The market won't become cleaner, but you can shop smarter than 90% of online buyers.
Want to analyze your mask? Submit your photos to AntiqBot's AfroCheck module. First analysis free.