Michal Smajewski, known as Michel SIMA Francis Picabia with his works, c. 1950 In his studio - Olga Picabia with portraits of her mother and her husband's mother - Le Masque (1949) - Le Beau Charcutier (c. 1924-1934) - Médéa (c. 1929) Five vintage silver prints Signed and annotated in pencil by her son Pierre Sima Michel Sima" stamp (4) on versos Sizes: from 23.50 x 17.50 cm to 28 x 23.50 cm Provenance: Michel Sima family collection Five vintage gelatin silver prints ; signed and annotated in pencil by his son Pierre Sima ; stamp (4) on versos From 9 1/4 × 6 7/8 in. to 11 × 9 1/4 in. Michal Smajewski, known as Michel SIMA