World Post Day. 125th Anniversary of the Universal Postal Union 1999
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1999
World Post Day. 125th Anniversary of the Universal Postal Union
9. October WM: None Sheetsize: 20 Design: Agnieszka Sobczyńska Engraving: PWPW. Perforation: 11½
![[World Post Day. 125th Anniversary of the Universal Postal Union, type DXD]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/DXD-s.jpg)
