The 50th Anniversary of the UPU International Letter Writing Contest 2021
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2021
The 50th Anniversary of the UPU International Letter Writing Contest
9. October WM: None Sheetsize: 20 Design: Pham Quang Dieu Perforation: 13
![[The 50th Anniversary of the UPU International Letter Writing Contest, type EGV]](https://www.stampworld.com/media/catalogue/Vietnam/Postage-stamps/EGV-s.jpg)
