573 ARGENTINA - GENERAL ISSUES Auction #2117: ARGENTINA: very attractive auction Block of Four / Cat.#: GJ.849 Cat.Value: US$ 20 VF. GJ.849, 2.50P. airmail, proof in blue, opaque paper, block of 4, VF Starting Price: US$ 10 Current Price: US$ 10 Bid US$ 10 or more Closing: 2021-05-20 22:10:00