The 100th Anniversary of The International Telecommunication Union(ITU) 1965
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1965
The 100th Anniversary of The International Telecommunication Union(ITU)
17. maj VM: Ingen Perforeringer: 11½
![[The 100th Anniversary of The International Telecommunication Union(ITU), type AYD]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/AYD-s.jpg)
