56 ARGENTINA - GENERAL ISSUES Auction #2321: ARGENTINA: Selection of VARIETIES!! Pair / Mint NH (Virgin Gum) Cat.#: GJ.925a VF. GJ.925a, 1945 20c. Mausoleum of Rivadavia, block of 4 consisting of 2 stamps with top labels, IMPERFORATE, fantastic and probably unique! Starting Price: US$ 400 Current Price: US$ 489 Bid US$ 538 or more Closing: 2023-06-08 22:00:00