The 100th Anniversary of the UPAEP 2011
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2011
The 100th Anniversary of the UPAEP
16. May WM: None Design: Atelier Whitestudio y Eduardo Aires. Engraving: Joh. Enschedé. Perforation: 12½
![[The 100th Anniversary of the UPAEP, type DFO]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/DFO-s.jpg)
