326 ARGENTINA - LOTS AND COLLECTIONS Auction #1911: WORLDWIDE + ARGENTINA: General March 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$ 15 or more Closing: 2019-03-28 22:20:00