Arnaud Baumann (1953) Mstislav Rostropovitch in Paris, 1990. Vintage silver print, signed in black ink in the lower margin. Stamp of the photographer, signature of the photographer, caption and date on label on the back. Image : 21,9 x 21,9 cm Sheet : 28,5 x 23,5 cm Arnaud Baumann (1953) Mstislav Rostropovitch in Paris, 1990. Vintage gelatin silver print, signed in black ink in the lower margin. Photographer stamp and signature, caption and date on verso. Image : 21,9 x 21,9 cm Paper : 28,5 x 23,5 cm