The 200th Anniversary of the Academy of Science in Lisbon 1980
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1980
The 200th Anniversary of the Academy of Science in Lisbon
19. Dezember Wz: Keine Design: Alberto Cardoso Gravieren: I.N.C.M. Zähnung: 11¾ x 11½
![[The 200th Anniversary of the Academy of Science in Lisbon, Typ ACB]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/ACB-s.jpg)
![[The 200th Anniversary of the Academy of Science in Lisbon, Typ ACC]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/ACC-s.jpg)
