158 CHILE ANTARCTICA - POSTAL HISTORY Auction #2031: WORLDWIDE + ARGENTINA: General July auction Cover / Cat.#: VF. Envelope with postmark of "EXPEDICIÓN GABRIEL GONZALEZ VIDELA" 18/SE/1957, very fine quality! Starting Price: US$ 10 Current Price: US$ 10 Bid US$ 10 or more Closing: 2020-07-30 22:10:00