1934-69 envelopes and cards showing a variety of Expedition and Base cachets and cancellations, bearing stamps of many different countries including Australia, British and French Antartic Territories, Norway, New Zealand and South Africa, but the majority are USA (89), with Operations Highjump and Deepfreeze, Bryd expedition (many showing "Delay" cachet), and including Ships and Base cancellations; mainly fine. (135)