Stamp · 1957 · Ref. ebay-318650879709
€1.17
Stamp · Russia · 1971 · Ref. ebay-318199033189 · Country: Russia · SKU A277-P2-R8 · Photos and details. Check price and availability in the linked eBay listing.
USSR - 13th International Science History Congress, 1971, Moscow - 1971 - CTO