The 200th Anniversary of Alexander von Humboldt's Exploration of South America 1999
Now showing: Mexico - Postage stamps - 1999 - The 200th Anniversary of Alexander von Humboldt's Exploration of South America - 1 stamps.
1999
The 200th Anniversary of Alexander von Humboldt's Exploration of South America
1. December WM: None Perforation: 13½ x 13¼
![[The 200th Anniversary of Alexander von Humboldt's Exploration of South America, type CXM]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/CXM-s.jpg)
