Issue: congres of U.P.U. (Congo, Democratic Republic (Kinshasa), 1963)

Monday, January 28, 1963, congres of U.P.U.

Monday, January 28, 1963 Congo, Democratic Republic (Kinshasa) will issue: Stamp "1e participation congres of U.P.U" face value 2, Stamp "1e participation congres of U.P.U" face value 4, Stamp "1e participation congres of U.P.U" face value 7, Stamp "1e participation congres of U.P.U" face value 20,