1968 World Weather Watch
1969 United Nations Building, Chile
1969 Institute for Training & Research
1969 United Nations Intl Commission
1970 Japanese Peace Bell
1969 Tunisian Mosaics
1970 Peace, Justice and Progress
1969 13c Definitive
1967 International Tourist Year
1968 Intl Human Rights Year
1971 Support Refugees
1967 Towards Disarmament
1970 Peace & Progress
1968 6c Definitive
1971 United Nations Intl School
1967 Expo 1967 Canada
1971 UPU Building
1970 Peace & Progress, S/S
1966 World Federation, WFUNA
1972 15c World Health Organization
Celebrate America's 1st National Park - Yellowstone turned 151 on March 1st!
Revolutionary era stamps remember the fight for Philippine independence.
The U.N. General Assembly designated the 1960s as the United Nations Development Decade. This stamp issue coincided with the 50th anniversary of the International Labor Organization.