The 20th Anniversary of the World Symposium on UFO's 2013
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2013
The 20th Anniversary of the World Symposium on UFO's
13. February WM: None Sheetsize: 20 Design: Fabio Ferrini Engraving: Cartor Perforation: 13 x 13¼
![[The 20th Anniversary of the World Symposium on UFO's, type CFL]](https://www.stampworld.com/media/catalogue/San-Marino/Postage-stamps/CFL-s.jpg)
