Antarctica: International Geophysical Year: Collection of 46 covers from U.S. stations from 1956 to 1959, incl. Adare, Amundsen-Scott South Pole, Byrd, Ellsworth, Hallett, I.G.Y. South Pole, Little America, Wilkes, many signed incl. Finn Ronne, scarce official and seasonal greetings covers, some with letters, rarer cachets incl. Mobile Construction Battalion Detachment Bravo at Little America etc.

Antarctica: International Geophysical Year: Selection of 20 covers, 1957 to 1959, with Scott Base, registered and official covers, range of scarcer cachets, two signed by V. Fuchs and H. Wilkins.