580 ARGENTINA - GENERAL ISSUES Auction #2311: ARGENTINA: very attractive auction Block of Four / Cat.#: GJ.846 VF. GJ.846, 50c. airmail, proof in chestnut on opaque paper, block of 4, VF Starting Price: US$ 15 Current Price: US$ 15 Bid US$ 15 or more Closing: 2023-03-30 22:10:00