560 ARGENTINA - GENERAL ISSUES Auction #2117: ARGENTINA: very attractive auction Block of Four / Mint O.Gum (LH) Cat.#: GJ.839 VF. GJ.839, 15c. Pan-American Union 50 years, block of 4 with "MUESTRA" ovpt., VF Starting Price: US$ 40 Current Price: US$ 40 Bid US$ 40 or more Closing: 2021-05-20 22:10:00