PIONEERING RUSSIAN COSMONAUTS Excellent, rare S.P. 6" x 4" color showing half-length the first four Soviet cosmonauts, all in uniform, all of whom have signed beside their respective images, including: YURI GAGARIN, GHERMAN TITOV, ANDRIAN NIKOLAYEV and PAVEL POPOVICH. One letter in Gagarin's signature is very lightly brushed, else near fine condition.