The Bureau of Posts marked United Nations Day, October 24, 1959, with the release of a previously issued stamp which was overprinted and surcharged for the occasion. The 18c denomination of the 1949 U.P.U. 75th anniversary issue was overprinted "United Nations Day" and surcharged 6c.
First Day of Issue Cancellation
The United Nations emblem was included in the first day of issue cancellation.
First Day Covers