The 50th Anniversary of Pan-American Institute for Geography and History 1978
Now showing: Mexico - Postage stamps - 1978 - The 50th Anniversary of Pan-American Institute for Geography and History - 1 stamps.
1978
The 50th Anniversary of Pan-American Institute for Geography and History
21. July WM: 12 Sheetsize: 50 Design: J. C. Léon Perforation: 14 x 14¼
![[The 50th Anniversary of Pan-American Institute for Geography and History, type BDR]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/BDR-s.jpg)
