184 ARGENTINA - GENERAL ISSUES Auction #226: WORLDWIDE + ARGENTINA: General mid-year auction! Block of Four / Mint O.Gum (LH) Cat.#: GJ.50 VF. GJ.50, Block of 4 overprinted MUESTRA (specimen), excellent quality! Starting Price: US$ 15 Current Price: US$ 15 Bid US$ 15 or more Closing: 2017-06-07 22:20:00