Schweiz
Viser nu Schweiz - Post frimærker (1849 - 2024) - 1 frimærker.
1996
The 100th Anniversary of the Birth of Jean Piaget, 1896-1980
12. marts VM: Ingen Design: Sibylle von Fischer. Gravering: Courvoisier. S.A. Perforeringer: 11¾
![[The 100th Anniversary of the Birth of Jean Piaget, 1896-1980, type BIJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/BIJ-s.jpg)
