Portrait of Mr. Brainwash
Kim Leng Hills, via Wikimedia Commons (CC BY 3.0)

Artist record

Mr. Brainwash

Born 1966

Mr. Brainwash has sold 2 of 2 lots offered at LLB Auction, realising between €2,600 and €6,038 at hammer. Thierry Guetta, best known by his moniker Mr. Brainwash, is a French-born Los Angeles–based street artist

Record

Mr. Brainwash at LLB Auction

LifespanBorn 1966
NationalityFrance
Movementsneo-pop
Lots offered at LLB2
Lots sold at LLB2
Range of prices realised€2,600 to €6,038
Median price realised€6,038
First offered29 June 2025
Most recently offered23 December 2025

Biography

About Mr. Brainwash

Life and career in Los Angeles

Mr. Brainwash is a French street artist born in 1966 who established his practice in Los Angeles. Working under this moniker, he operates within the neo-pop movement, creating works that engage with contemporary visual culture and street art traditions. His output spans multiple forms including street art interventions and studio-based works. The artist's background includes roles as a film producer and actor alongside his visual art practice, reflecting the interdisciplinary nature of his career. His work emerged from the street art community in Los Angeles, where he developed a distinctive approach to neo-pop imagery that draws on advertising, celebrity culture, and urban environments. The artist continues to produce work from his Los Angeles base, maintaining connections to both street art practices and gallery contexts.

Formats and market categories

Mr. Brainwash produces work across several distinct formats, each occupying a different position in the market. His output includes unique paintings and mixed media works on canvas or panel, which command the highest valuations due to their singular nature. He also creates screenprints and other editioned works, which are produced in numbered series and priced according to edition size and the presence of hand-finished elements. Spray paint works on found materials or prepared surfaces represent another category, bridging street art immediacy with collectible objects. Scale varies considerably, from small works suitable for domestic display to large statement pieces intended for institutional or commercial spaces. The distinction between unique works and editions is fundamental to valuation, as a one-of-a-kind canvas will always be assessed differently from a print numbered within a series of one hundred. Works that incorporate mixed techniques, such as screenprint bases with hand-painted additions, occupy an intermediate position. Collectors and specialists pay close attention to whether a work originated as a street intervention later removed and sold, or whether it was created as a studio piece from the outset.

Assessing authenticity and value

A specialist examining a work attributed to Mr. Brainwash begins with the medium and support, noting whether the piece is a unique painting, a screenprint, or a mixed media construction. The period of creation matters, as the artist's output has evolved since the mid 2000s, and earlier works may show different stylistic or technical characteristics. For editioned works, the total size of the edition and the specific numbering of the piece under examination directly affect value, with lower numbers and smaller editions generally preferred. The presence, placement, and form of the signature require verification, as does any additional marking such as edition numbers or studio stamps. Condition is assessed with attention to the specific vulnerabilities of each medium: canvas works are examined for tears, paint loss, or structural damage, while works on paper are checked for foxing, fading, or creasing. Provenance documentation, including gallery invoices, exhibition history, or correspondence with the artist's studio, strengthens attribution and can significantly affect value. Any restoration or conservation work must be disclosed, as it impacts both authenticity assessment and market desirability.

Results at this auction house

This auction house has offered two works by Mr. Brainwash, both of which found buyers. The lower result achieved was 2600 EUR, while the higher reached 6038 EUR. The median realised price stands at 6038 EUR. This limited sample reflects the house's experience with the artist to date, and the range between the two results suggests that factors such as format, scale, or subject matter produced different levels of buyer interest. Sellers considering consignment should understand that these figures represent outcomes at this specific house and do not constitute a comprehensive view of the artist's market across all venues or formats.

Preparing a valuation request

A seller requesting a valuation should provide clear photographs of the work from multiple angles. The front image must show the entire composition in even lighting without glare or distortion. A photograph of the reverse is essential, as it may reveal labels, stamps, inscriptions, or structural information that assists with authentication and provenance. Any signature, whether on the front or back, requires a separate detailed photograph. If the work bears labels from galleries, framers, or previous collections, these must be photographed legibly. Precise dimensions should be provided in centimeters, recording height before width, and noting depth for three-dimensional works. Any accompanying documentation, including certificates, purchase receipts, exhibition records, or correspondence, should be described and made available for review. This information allows a specialist to provide an informed preliminary assessment and determine whether the work is suitable for inclusion in a forthcoming sale.

Prices realised

Lots at LLB Auction

WorkMediumSaleEstimateHammer
LOT 26. Handle With CareScreenprintContemporary Art - December 2025€2,500 to €5,000€2,600
64. Self-DiscoveryPrintContemporary Art June 2025€2,000 to €4,000€6,038

Market

Market at LLB Auction

Sell-through
100%
Record hammer
€6,038
Hammer vs low estimate
2.03x
Above high estimate
1

Record: 64. Self-Discovery

Prices by medium

MediumOfferedSoldLowest hammerMedian hammerHighest hammer
Print11€6,038€6,038€6,038
Screenprint11€2,600€2,600€2,600

Year by year

YearOfferedSoldSell-throughTotal hammer
202522100%€8,638

Comparables

Related artists and open lots

Comparable price band

€2,600 to €6,038

The middle half of hammer prices realised for this artist at the house, the range a work of comparable quality has most often sold in here.

Related artists

Marc ChagallZao Wou-KiLouise BourgeoisBernard BuffetInvaderJean Jullien

Sources

Where these facts come from

Prices are hammer prices realised at LLB Auction, excluding the buyer’s premium and VAT. They are our own results and are not an index of the artist’s wider market. We do not republish results from other auction houses.

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