The 20th Anniversary of Philatelic Co-operation between Mongolia and Hungary 1978
Rāda: Mongolija - Pastmarkas - 1978 - The 20th Anniversary of Philatelic Co-operation between Mongolia and Hungary - 3 marka.
1978
The 20th Anniversary of Philatelic Co-operation between Mongolia and Hungary
10. augusts SV: Neviens Perforēšana: 12¼ x 11¾
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