1975-10-13: International Telecommunication Achievements
1975-08-04: International Anniversaries and Events
1975-08-04: International Women's Year, 1975
1975-04-28: Europa (C.E.P.T.) 1975 - Paintings
1975-02-17: U.P.U. (Universal Postal Union), Centenary
1975-02-17: Council of Europe, 25th Anniversary - Flag
1975-02-17: 25 Years European Council - Disabled Persons Emblem