1936 Trade Cards: complete original set of 12 thin cards by Chocolat Nestle, featuring Arctic exploration. Plus John Player & Sons Polar Explorers 1911 series complete set of 25. (37) (Image1)

Estimate AU$40

1931 Wilkins-Hearst Antarctic Expedition 1928-30 plain airmail cover to AC Roe, NY 1d Falklands cancelled with Port Stanley of 29OC/28, green double-circle 'Wilkins Antarctic/Deception/Island/Expedition' on face. Repurposed for use on the 1931 Arctic Submarine Expedition with cachets etc, signed by Hubert Wilkins. USA 2c with Jun1 1931 cancel, GB 1½d with poor 3OCT31 cancel and New York OCT14/1931 backstamp. Additional signature of Joe ... across Deception Island cachet. (Image1)

Estimate AU$250

1931 Wilkins-Ellsworth Trans-Arctic Submarine Expedition New York to Bergen x7, all with USA addresses and pmked New York May8/1931, generally good condition. (7) (Image1)

Estimate AU$100

1931 Wilkins-Ellsworth Trans-Arctic Submarine Expedition New York to North Pole and New York to Bergen covers, both registered and signed by Sloan Danehower, both with USA addresses. Generally good condition. (2) (Image1)

Estimate AU$150

1931 Wilkins-Ellsworth Trans-Arctic Submarine Expedition New York to North Pole x2, one air mail addressed to France, the other surface addressed to Switzerland. (2) (Image1)

Estimate AU$80