1961 The 10th Anniversary of the United Nation’s Colombo Plan
1961 The 10th Anniversary of the United Nation’s Colombo Plan
Oceania
1960 The 100th Anniversary of Queensland Stamps
1960 The 100th Anniversary of Queensland Stamps
1960 The 100th Anniversary of the Melbourne Cup
1960 The 100th Anniversary of the Melbourne Cup
1960 The 100th Anniversary of Exploring Northern Territories
1960 The 100th Anniversary of Exploring Northern Territories
1960 Golden Jubilee of Guiding, 1910-1960
1960 Golden Jubilee of Guiding, 1910-1960
1959 The 100th Anniversary of Self Government in Queensland
1959 The 100th Anniversary of Self Government in Queensland
1959 The 150th Anniversary of the Birth of Australian Post, 1809-1959
1959 The 150th Anniversary of the Birth of Australian Post, 1809-1959