Stamps of Mongolia, 1 Sep 1959
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postage
1959, Sep 1 First International Congress of Mongolists issue unwmk p. 10.5 (5 stamps)
| - | 30m | multi | Uighur | |||
| - | 40m | multi | Soyombo | |||
| - | 50m | multi | Kalmuck | |||
| - | 60m | multi | Square Pagspa | |||
| - | 1t | multi | cyrillic |
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