1961 50th Anniversary of Australasian Antarctic Expedition. Douglas Mawson (1882-1958), expedition leader. 1982 Sir Douglas Mawson Centenary.
Geology Stamps from New Zealand
1984 Antarctic Research series. Set of four stamps on a Souvenir Sheet. One for geology, the others, biology, glaciology and…
Mineral Stamps from Zimbabwe
1980: Precious Stones, Animals and Waterfalls set. A set of 15 stamps: five gemstones, five animals, and five waterfalls. Gemstones…
Mineral Stamps from Southern Rhodesia and Rhodesia (now Zimbabwe)
Both Rhodesia and Southern Rhodesia are now known as Zimbabwe. Here’s a quick overview of the timeline: Southern Rhodesia 1964:…
Geology Stamps from Hong Kong
2002 Geology of Hong Kong issue.