1971 UPU Building
# UN219 - 1971 UPU Building
$0.80
The U.P.U. is a specialized agency of the U.N. It sets the rules for the free flow of mail between countries. It works to organize and improve international postal services. This stamp issue shows the U.P.U. building, opened in 1971 in Berne, Switzerland.
The U.P.U. is a specialized agency of the U.N. It sets the rules for the free flow of mail between countries. It works to organize and improve international postal services. This stamp issue shows the U.P.U. building, opened in 1971 in Berne, Switzerland.