1968 United Nations Secretariat
1968 Industrial Develop. Organization
1968 6c Definitive
1968 World Weather Watch
1969 Institute for Training & Research
1967 Towards Disarmament
1969 United Nations Intl Commission
1969 United Nations Building, Chile
1966 World Heath Organization
This is the 9th commemorative stamp set in the Human Rights Series. It was issued in 1968 to mark the 20th anniversary of the adoption of the Universal Declaration of Human Rights.