1974 Law of the Sea
1974 ILO Headquarters
1974 UPU Centenary
1975 Outer Space
1975 International Womens Year
1973 Human Rights
1973 Drug Abuse
1975 United Nations 30th Anniversary
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 United Nations designated 1974 as World Population Year to heighten awareness of worldwide population problems.