1980/2005, SOVIET NUCLEAR ICEBREAKERS resp. research/tourist ships, accumulation of apprx. 600/700 covers, also incl. trips to the North Pole, e.g. ARKTIKA, LENIN, SIBIR, SOVETSKIY COYOS, JAMAL, TAIMIR, SEVMORPUT, ROSSIJA, LEONID BREZHNEV, PROFESSOR MOLCHANOV, KLAVDIYA, YELANSKAYA, MARIA YERMOLOVA. (Image)