Argentina
Now showing: Argentina - Postage stamps (1858 - 2023) - 1 stamps.
1978
The 12th International Cancer Congress, Buenos Aires
7. October WM: None Design: E. Miliavaca. Engraving: Casa de moneda. Perforation: 13¾
![[The 12th International Cancer Congress, Buenos Aires, type AOS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Argentina/Postage-stamps/AOS-s.jpg)
