The 15th Anniversary of the National Telecommunications System 1980
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1980
The 15th Anniversary of the National Telecommunications System
16. September Wz: Keine Zähnung: 11¾
![[The 15th Anniversary of the National Telecommunications System, Typ BOI]](https://www.stampworld.com/media/catalogue/Brazil/Postage-stamps/BOI-s.jpg)
