Rumania 1957 Launching of Artificial Satellite perf set of 4 (two se-tenant strips of 3 each with label) unmounted mint, SG 2543a & 2545a
Rumania 1957 Launching of Artificial Satellite perf set of 4 (two se-tenant strips of 3 each with label) unmounted mint, SG 2543a & 2545a