The 12th General Assembly of International Council on Monuments and Sites 1999
Now showing: Mexico - Postage stamps - 1999 - The 12th General Assembly of International Council on Monuments and Sites - 1 stamps.
1999
The 12th General Assembly of International Council on Monuments and Sites
17. October WM: None Perforation: 13½ x 13¼
![[The 12th General Assembly of International Council on Monuments and Sites, type CXD]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/CXD-s.jpg)