189 ARGENTINA - GENERAL ISSUES Auction #1921: ARGENTINA: small but very attractive auction Single / Mint O.Gum (LH) Cat.#: GJ.688 VF. GJ.688, 50c. Revolution of 6 September 1930, VF Starting Price: US$ 6 Current Price: US$ 6 Bid US$ 6 or more Closing: 2019-06-06 22:05:00