In 1975, the Postmaster-General’s Department was split into two government trading commissions — Australia Post and Telecom Australia (now Telstra).
Post Office Products
1970
- 1970 Standard Gauge Rail Link
- 1970 EXPO 70
- 1970 Royal Visit
- 1970 XI International Grassland Congress
- 1970 Cook Bicentenary
- 1970 Floral Emblem Coil Stamps
- 1970 National Development
- 1970 6c Floral Emblem
- 1970 Sixteenth Commonwealth Parliamentary Conference
- 1970 XVIII International Dairy Congress
- 1970 Christmas
- 1970 25th Anniversary of United Nations
- 1970 QANTAS 50th Anniversary
- 1970 Famous Australians (Booklets)
1971
- 1971 Asia Australia
- 1971 Australian Natives Association (1871-1971)
- 1971 Sydney Stock Exchange (1871-1971)
- 1971 50th Anniversary of Rotary in Australia
- 1971 Royal Australian Air Force (1921-1971)
- 1971 R.S.P.C.A. and Animal Series
- 1971 Aboriginal Art
- 1971 Coils & Queen Elizabeth II
- 1971 Golden Wattle Coil
- 1971 Christmas
1972
- 1972 Prime Ministers (1913-1929)
- 1972 Country Women’s Association of Australia (1922-1972)
- 1972 Primary Industries
- 1972 Rehabilitation
- 1972 Overland Telegraph Line (1872-1972)
- 1972 Olympic Games Munich
- 1972 10th International Accountancy Congress
- 1972 Pioneer Life
- 1972 Christmas
1973
- 1973 Metric Conversion
- 1973 World Health Organisation (1948-1973)
- 1973 Famous Australians
- 1973 National Development 2nd Series
- 1973 Marine Life & Gemstones
- 1973 Legacy 50th Anniversary
- 1973 Christmas
- 1973 Architecture
- 1973 50 Years Regular Radio Broadcasting
1974
- 1974 Animals
- 1974 Australian Paintings
- 1974 150th Anniversary of Charter of Justice
- 1974 Sports
- 1974 150th Anniversary of First Independent Newspaper in Australia
- 1974 Centenary of the Universal Postal Union
- 1974 Marine Life & Gem Stones (New Values)
- 1974 Christmas
- 1974 Education Series
1975
- 1975 10c Coil Stamp
- 1975 Australian Environment Disasters
- 1975 International Women’s Year
- 1975 Prime Ministers
- 1975 Australian Scientific Developments
- 1975 Australian Postal Commission/Australian Telecommunication Commission
- 1975 Famous Women
- 1975 Wildflowers
- 1975 Papua New Guinea Independence
- 1975 Christmas
1976
- 1976 75th Anniversary of Nationhood
- 1976 100 Years First Telephone Transmission
- 1976 Australian Explorers
- 1976 50th Anniversary CSIRO
- 1976 Olympic Games
- 1976 Australian Scenes
- 1976 Christmas ’76
- 1976 Famous Australians
1977
- 1977 Performing Arts
- 1977 Silver Jubilee
- 1977 Test Cricket Centenary (1877-1977)
- 1977 50th Anniversary Opening of Parliament House Canberra
- 1977 50th Anniversary ACTU
- 1977 Christmas
1978
- 1978 Australia Day
- 1978 Australian Trees
- 1978 Australian Birds (I)
- 1978 Australian Birds (II)
- 1978 Australian Horse Racing
- 1978 Christmas (I)