Discover the history of Australian airmail with this set of 3 volumes of the Australian Airmail Catalogue by N Eustis. This set includes Volume 1, which covers the period from 1914 to 1941, as well as the 1937 edition. These publications are a must-have for any collector or enthusiast of Australian airmail history. Each volume is filled with detailed information and high-quality illustrations of stamps, covers, and other related items. Add this set to your collection today and delve into the fascinating world of Australian airmail.