680 ARGENTINA - GENERAL ISSUES Auction #2311: ARGENTINA: very attractive auction Block of Four / Cat.#: GJ.981 VF. GJ.981, 1P. Centenary of San Martín, block of 4, proof in black, printed on opaque paper, VF Starting Price: US$ 20 Current Price: US$ 20 Bid US$ 20 or more Closing: 2023-03-30 22:10:00