FIRST RUSSIAN COSMONAUTS A rare and very desirable S.P. 4 1/2" x 3 1/2" bearing a vintage image of Russia's first four men in space, all in military uniforms and joking with each other. Signed by all four cosmonauts, YURI GAGARIN, ANDRIAN NIKOLAYEV, GHERMAN TITOV , and PAVEL POPOVICH . Three of the signatures are against a darker background but remain fully legible, fine condition. $600-800