Collection of 13 KNIGA covers bearing cachets of Russian space achievements, signed in various inks by cosmonaut crews. Signers include: Vladimir Komarov, Konstantin Feoktistov, and Boris Yegorov; Pavel Belyayev and Alexei Leonov; Valery Kubasov and Georgi Shonin; Vladimir Shatalov and Aleksei Yeliseyev; Aleksei Gubarev and Georgi Grechko; Pyotr Klimuk and Vitali Sevastyanov (2); Alexei Leonov; Georgy Beregovoy; Anatoly Filipchenko; Viktor Gorbatko; and Boris Volynov. In overall fine condition. Accompanied by three KNIGA certificates, for the Soyuz-17 (Gubarev/Grechko); Soyuz-18 (Klimuk/Sevastyanov); and Voskhod-1 (Komarov/Feoktistov/Yegorov) and Voskhod-2 (Belyayev/Leonov) covers.
