820 UNITED NATIONS - POSTAL HISTORY Auction #1839: WORLDWIDE + ARGENTINA: October General Auction Cover / Cat.#: VF. FDC cover of 24/OC/1955, franked with souvenir sheet 1, VF quality! Starting Price: US$ 50 Current Price: US$ 50 Bid US$ 50 or more Closing: 2018-10-25 22:20:00