Airmail - The 50th Anniversary of Pan-American Institute for Geography and History 1978
Now showing: Mexico - Postage stamps - 1978 - Airmail - The 50th Anniversary of Pan-American Institute for Geography and History - 2 stamps.
1978
Airmail - 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