Antarctica: Wilkins-Hearst Expedition 1928-30: Envelope signed by both Hubert Wilkins and chief pilot Carl Eilson, bearing Falkland Is. 1d. tied by “Wilkins Antarctic/Expedition/Deception/Island” cachet in green and Port Stanley “29 OC/28” c.d.s., the cover later carried on the 1931 Wilkins-Ellsworth Trans-Arctic Submarine Expedition with expedition cachet, New York June 1 1931 duplex, G.B. 11/2d. cancelled Oct. 3 and New York Oct. 14 backstamp. Photo. (Image1)