Renowned Russian operatic bass (1871–1948). Matte-finish 3.5 x 5.25 postcard photo of Kastorsky in costume, boldly signed and inscribed in Russian and dated 1923, affixed to an off-white 6 x 8 sheet upon which he penned three bars of music and lyrics of his bass part in the key of G Major. In fine condition. RR Auction COA.