Photo by Scherer, Nabholz, and Co., Moscow, Russia, 1887 6.3 х 10.4 cm Autographed on back: “To Olga Nikolaevna Dobrolyubova from M. I. Chupakov” Mikhail Ivanovich CHUPAKOV taught at the 3rd and 4th Moscow Cadet Corps and was a state councilor. CHUPAKOV, M. I. (Чупаков М.И.)