Group of six items signed by cosmonauts, including: Valery Bykovsky (SP), Pavel Popovich (SP), Georgi Shonin and Valeri Kubasov (cover), Aleksei Gubarev and Georgi Grechko (two covers), and Pyotr Klimuk and Vitali Sevastyanov (cover). In overall fine condition, with creasing along the top edges of the postcard photos of Bykovsky and Popovich.
