C215

Life and work

C215 is the working name of Christian Guemy, a French stencil artist born in 1973. He lives and works around Paris and has built his reputation with detailed, multi layer spray paint stencils, most often close portraits of people who are easy to overlook: homeless residents, refugees, elderly neighbours, migrants and street children, alongside occasional portraits of writers, musicians and political figures. Guemy works under the artist name C215 across cities in France and abroad, and his practice has moved steadily from walls and shutters into museum galleries. Between 2015 and 2024 French national institutions gave him solo rooms: the Musee des Arts et Metiers in Paris in 2015, the Pantheon in Paris in 2018, the Musee de l'Air et de l'Espace at Le Bourget in 2019, the Musee de l'Ordre de la Liberation at the Invalides in 2022, the Musee de la Franc maconnerie in Paris in 2023 and the Inguimbertine museum in Carpentras in 2024. That trajectory, from spray paint on found urban surfaces to guarded museum walls, sits behind almost everything a buyer needs to understand about how his work is priced.

Disciplines in the saleroom

C215 works in several distinct categories that the market treats very differently. Unique stencils painted directly onto recovered objects, such as shutters, doors, road signs and postal letter boxes, sit at the top of the range because each one is a one of a kind composition tied to a specific place and moment. Stencils on canvas or wood panel, made in the studio rather than pulled from the street, form a second tier and are the type of work most often seen at general contemporary art sales. Numbered screenprint editions and prints on paper, produced in runs and signed by hand, form a third and far more accessible category, closer in price to a poster than to an original. LLB Auction has itself offered two lots by the artist, both consistent with this practice of working across supports rather than in a single medium, though neither found a buyer at the time.

What a specialist examines

A specialist looking at a C215 work checks the support first, since the same image can appear as a unique stencil, a studio canvas or a print, and the category changes the value more than the subject does. The monogram signature and its placement, on the front or the reverse, is compared against known examples, and any numbering on an edition is checked against the stated run size. Because many pieces sit on painted metal, cardboard, wood or paper that was never meant to last, condition points specific to the medium matter: paint loss on found objects, rust or oxidation on metal supports, and fading or handling wear on works on paper. Provenance, including a gallery invoice or a documented removal from the street, and any exhibition history, carry real weight, and buyers who want a second opinion on authorship are best served by the galleries and dealers listed under Career, since C215 signs his own work directly.

Market position

At Digard Auction in Paris, a unique stencil on a postal letter box brought 5200 euros in 2024, close to double the 650 euros paid in 2015 for a numbered screenprint from an edition of 80. Both results were reached at the same house and show the same pattern seen across the artist's saleroom history: unique supports on recovered objects sell for meaningfully more than paper editions of the same imagery. Beyond these two results, the artist has a documented public market at the auction house named under Career.

What a seller should have ready

A seller should gather the invoice or any paperwork from the gallery or the artist's studio, clear photographs of the front, the monogram and the reverse, and exact measurements including depth if the support is an object rather than a flat surface. For an edition, the printed number and the publisher's blind stamp should be recorded. A short condition report noting any paint loss, corrosion or handling wear, together with any record of where and when the piece was exhibited or published, will speed up a fair valuation.