609 ARGENTINA - POSTAL HISTORY Auction #1933: WORLDWIDE + ARGENTINA: General late Winter auction Cover / Cat.#: VF. HELICOPTER FLIGHTS: 6 covers flown in 1987 and 1988, VF quality! Starting Price: US$ 20 Current Price: US$ 20 Bid US$ 20 or more Closing: 2019-08-29 22:20:00