678 ARGENTINA - GENERAL ISSUES Auction #2311: ARGENTINA: very attractive auction Single / Cat.#: GJ.979 VF. GJ.979, 50c. Centenary of San Martín, proof in gray-green color, printed on very thick glazed paper, VF Starting Price: US$ 5 Current Price: US$ 5 Bid US$ 5 or more Closing: 2023-03-30 22:10:00