FDC / philatelic cover · Switzerland · 1981 · Ref. ebay-820273306900
Switzerland
€3.31
FDC / philatelic cover · Italy · 1995 · Ref. ebay-358264979315 · Country: Italy · SKU 902 · Photos and details. Check price and availability in the linked eBay listing.
1995 FDC 14º convegno mondiale relatività generale e fisica della gravitazione