639 ARGENTINA - LOTS AND COLLECTIONS Auction #1933: WORLDWIDE + ARGENTINA: General late Winter auction Lot / Cat.#: F.VF Lot of 4 trial color proofs + 1 SPECIMEN, fine general quality! Starting Price: US$ 15 Current Price: US$ 15 Bid US$ 17 or more Closing: 2019-08-29 22:20:00