1956-80 Covers (mainly 1964-65 period) from various offices in British Antarctic Territory (35), Australian Antarctic Territory (7), Ross Dependency (11), also 1956 Royal Society Antarctic Expedition cover, 1964 cover from G.B to Stonington Island with label "Return to Sender, No Post Office Stonington Island Base, B.A.S Headquarters, Stanley, F.I", U.S Operation Deep Freeze covers (12), and covers from Japanese (2) or Belgian Antarctic Bases. (70).