1955 UNESCO
1955 Intl Civil Avation Organization
1955 United Nations 10th Anniversary
1956 World Health Organization
1956 International Telecommunications
1954 United Nations Day
1956 United Nations Day
1954 Food & Agriculture
1954 Human Rights Day
400 postally used US stamps, including airmails!
Own one of America's greatest stamps!
Neat variety of cork fancy cancels on early US issues.
The fourth commemorative stamp set in the Human Rights Series was designed by Hubert Woyty–Wimmer of the United Kingdom and issued on December 9, 1955.