This is an excellent stamp packet mixture of 75 different stamps from Australia on Antarctica. Australia issues postage stamps for the Australian Antarctic Territory. "The first issues came in 1957, and sporadically thereafter, settling into a pattern of an annual issue by the 1990s. All have been Antarctic-themed, and all are valid for postage in Australia ... " (Wikipedia) The stamps of Australia reflect the Australian Continent's art, customs, history, and people. "The Australian Antarctic Territory (AAT) is the part of Antarctica claimed by Australia and is the largest territory of Antarctica claimed by any nation. ... The territory is only inhabited by the staff of research stations." (Wikipedia)
This mixture of canceled, mint, and/or used, all different stamps, may contain sets. These stamps are an excellent way to begin or enlarge a stamp collection. Scan is an example of the contents of the collection.