International Stamp Exhibition "Praga-78" 1978
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1978
International Stamp Exhibition "Praga-78"
29. augustus WM: Geen Bladformaat: 50 Ontwerp: A. Kalashnikov Perforatie: 11½
![[International Stamp Exhibition "Praga-78", type FMD]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/FMD-s.jpg)
