1972 8c Non-prolif. of Nuclear Weapons
1972 Human Environment
1972 Council Hall, Geneva
1972 21c Economic Committee, Europe
1971 World Food Program
1971 Support Refugees
1971 UPU Building
1971 United Nations Intl School
1973 Drug Abuse
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 World Health Organization of the U.N. dedicated World Health Day in April 1972 to the prevention and treatment of diseases of the heart and blood vessels.