The Third Inter-American Telecommunications Conference 1979
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1979
The Third Inter-American Telecommunications Conference
3. март WM: Ništa Dizajn: Álvarez Rodero. Graviranje: Casa de moneda. Perforacija: 13½
![[The Third Inter-American Telecommunications Conference, Tip APN]](https://www.stampworld.com/media/catalogue/Argentina/Postage-stamps/APN-s.jpg)
