1378 ARGENTINA - OFFICIAL STAMPS Auction #2205: ARGENTINA: General auction with very interesting material Block of Four / Cat.#: GJ.636 VF. GJ.636, 10c. Rivadavia, proof with INVERTED overprint, block of 4, VF Starting Price: US$ 25 Current Price: US$ 25 Bid US$ 28 or more Closing: 2022-02-24 22:10:00