1953 UPU Issue
# UN17-18 - 1953 UPU Issue
$4.50
The Universal Postal Union became a specialized agency of the U.N in 1947. It sets rules for the free flow of mail between countries and works to promote international cooperation in organizing and improving postal services.
The Universal Postal Union became a specialized agency of the U.N in 1947. It sets rules for the free flow of mail between countries and works to promote international cooperation in organizing and improving postal services.