Russian prince and count (1887–1967) best known for participating in the assassination of Grigori Rasputin. Matte-finish 3.75 x 5.5 photo, signed and inscribed in black ballpoint, “To Tanya & Alex Zoubazeff, good luck! Prince Youssoupoff, Oxford 1910,” most likely when the photo was taken. In fine condition. RR Auction COA.