Chile . 1928, Hubert Wilkins Antarctic Flight cover,. franked with 10c and 15c definitives, postmarked upon arrival at Antofagasta on the first flight to carry mail over the Ross Sea, backstamped Valparaiso (FE 15), signed "Hubert Wilkins, March 1929" in blue ink, typed "WILKINS / Deception / Island "EXPEDITION" at upper right, minor wrinkles typical of these flimsy envelopes, fine.. Cover (Image1)

Est. US$75-100