Russia 1976 Russian Ice-Breakers (1st Series) set of 5 unmounted mint, SG 4598-4602, Mi 4558-62*
Russia 1976 Russian Ice-Breakers (1st Series) set of 5 unmounted mint, SG 4598-4602, Mi 4558-62*
Russia 1976 Russian Ice-Breakers (1st Series) set of 5 unmounted mint, SG 4598-4602, Mi 4558-62*