Airmail - The 100th Anniversary of U.P.U. - History of the Postal System 1975
Now showing: Laos - Postage stamps - 1975 - Airmail - The 100th Anniversary of U.P.U. - History of the Postal System - 2 stamps.
1975
Airmail - The 100th Anniversary of U.P.U. - History of the Postal System
7. July WM: None Perforation: 13 x 14
![[Airmail - The 100th Anniversary of U.P.U. - History of the Postal System, type OT]](https://www.stampworld.com/media/catalogue/Laos/Postage-stamps/OT-s.jpg)
![[Airmail - The 100th Anniversary of U.P.U. - History of the Postal System, type OU]](https://www.stampworld.com/media/catalogue/Laos/Postage-stamps/OU-s.jpg)
