The 9th Organization of Socialist States Postal Ministers Congress, Ulan Bator 1973
Viser nu Mongoliet - Post frimærker - 1973 - The 9th Organization of Socialist States Postal Ministers Congress, Ulan Bator - 1 frimærker.
1973
The 9th Organization of Socialist States Postal Ministers Congress, Ulan Bator
15. juli VM: Ingen Perforeringer: 11½ x 12
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