77 ARGENTINA - RIVADAVIAS Auction #1839: WORLDWIDE + ARGENTINA: October General Auction Single / Used Cat.#: GJ.20 var. Fine GJ.20, on PARCHMENT-LIKE PAPER, used in Mendoza, fine quality, rare! Starting Price: US$ 25 Current Price: US$ 25 Bid US$ 25 or more Closing: 2018-10-25 22:20:00