International Stamp Exhibition "WIPA 1981" - Vienna, Austria 1981
Praegu kuvatakse: Põhja-Korea - postmargid - 1981 - International Stamp Exhibition "WIPA 1981" - Vienna, Austria - 1 margid.
1981
International Stamp Exhibition "WIPA 1981" - Vienna, Austria
22. mai WM: mitte ükski perforatsioon: 13½