Soviet Space Autographs. 1964-65, two First Day Covers commemorating Space Flights of ''Voskhod-1'' and ''Voskhod-2'', bearing complete sets of three or two respectively, appropriate cancellations and signatures of Vladimir Komarov, Konstantin Feoktistov and Boris Yegorov on the first one, Pavel Belyayev and Alexey Leonov on the second one, perfect quality, VF, Mezhdunarodnaya Kniga certificate (Image)