Polen
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1923
The 450th Anniversary of the Birth of Nikolaj Kopernik; The 150th Anniversary of the Death of Stanislav Konarski
7. juli VM: Ingen Arkstørrelse: 100 Perforeringer: 10-13¾
![[The 450th Anniversary of the Birth of Nikolaj Kopernik; The 150th Anniversary of the Death of Stanislav Konarski, type AW]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/AW-s.jpg)
![[The 450th Anniversary of the Birth of Nikolaj Kopernik; The 150th Anniversary of the Death of Stanislav Konarski, type AX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/AX-s.jpg)
![[The 450th Anniversary of the Birth of Nikolaj Kopernik; The 150th Anniversary of the Death of Stanislav Konarski, type AY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/AY-s.jpg)