The 75th Anniversary of the Universal Postal Union - UPU 1949
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1949
The 75th Anniversary of the Universal Postal Union - UPU
16. mei WM: Geen Ontwerp: Hans Thoni. Graveren: Courvoisier. S.A. Perforatie: 11¾
![[The 75th Anniversary of the Universal Postal Union - UPU, type TU]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/TU-s.jpg)
![[The 75th Anniversary of the Universal Postal Union - UPU, type TV]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/TV-s.jpg)
![[The 75th Anniversary of the Universal Postal Union - UPU, type TW]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/TW-s.jpg)
