948 ARGENTINA - GENERAL ISSUES Auction #2117: ARGENTINA: very attractive auction Lot / Mint NH (Virgin Gum) Cat.#: GJ.1506 VF. GJ.1506, 20P. Subfluvial Tunnel, proofs in blue - yellow and black - red, VF Starting Price: US$ 20 Current Price: US$ 20 Bid US$ 20 or more Closing: 2021-05-20 22:10:00