66 ARGENTINA - GENERAL ISSUES Auction #231: ARGENTINA: small but very attractive auction Block of Four / Cat.#: GJ.137 VF. GJ.137, ½c. Rivadavia, proof printed in red on glazed card, in block of 4, VF quality Starting Price: US$ 20 Current Price: US$ 20 Bid US$ 20 or more Closing: 2017-08-24 22:15:00