Mongolei
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1976
The 17th Mongolian People's Revolutionary Party Congress, Ulan Bator
1. Mai Wz: Keine Zähnung: 11½ x 12½
![[The 17th Mongolian People's Revolutionary Party Congress, Ulan Bator, Typ ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/0989-b.jpg)
