Photographic documentation of Jerzy Bereś’s manifestation "Auction" (September 28-31, 1973), made in the PI gallery (Kraszewskiego Street 9, Kraków). The artist is standing naked, girded only with a white cloth. Bettina Bereś is painting the inscription "Bereś" on his chest. Next to it, a fragment of the silhouette of Maria Pinińska-Bereś is visible. The material document from the manifestation in the form of a painted loincloth and photographic documentation from the manifestation are currently in the collection of MOCAK in Kraków.