Original bust portrait photograph of the great Russian pianist, signed with his name alone in bold red ink "Sviatoslav Richter" to the lower right corner. Accompanied by the original envelope, addressed to collector Konrad Zimmer, postmarked and stamped in Moscow, with additional autograph to the verso, in Cyrillic. Diagonal scratch within the negative, otherwise in very fine condition, an exceptional example. 3.5 x 5 inches (20.3 x 25.4 cm.).