667 ARGENTINA - GENERAL ISSUES Auction #2311: ARGENTINA: very attractive auction Single / Cat.#: GJ.959 Fine GJ.959, 5c. Bicentennial of postal service, proof in green, on opaque paper, perforated, very rare! Starting Price: US$ 25 Current Price: US$ 25 Bid US$ 25 or more Closing: 2023-03-30 22:10:00