The 11th Pan-American Ophthalmological Congress 1977
Now showing: Chile - Postage stamps - 1977 - The 11th Pan-American Ophthalmological Congress - 1 stamps.
1977
The 11th Pan-American Ophthalmological Congress
23. March WM: None Sheetsize: 50 Engraving: Casa de Moneda de Chile. Perforation: 15
![[The 11th Pan-American Ophthalmological Congress, type XE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Chile/Postage-stamps/XE-s.jpg)
