Michal Smajewski, known as Michel SIMA Kees Van Dongen, c. 1955 In his studio - The Marquis de Castellane (c. 1925) Two period silver prints Signed and annotated in pencil by his son Pierre Sima Michel Sima" stamp on versos 17.50 x 23.50 cm and 19 x 23.50 cm Provenance: Michel Sima family collection Two vintage gelatin silver prints ; signed and annotated in pencil by his son Pierre Sima ; stamp on versos 6 7/8 × 9 1/4 in. and 7 1/2 × 9 1/4 in. Michal Smajewski, known as Michel SIMA