807 BOLIVIA - AIRMAIL Auction #1822: WORLDWIDE + ARGENTINA: Early Winter General Auction! Lot / Mint O.Gum (LH) Cat.#: Sc.C11 VF. Sc.C11, 2 PROOFS with overprint in gray and black, excellent quality, rare! Starting Price: US$ 200 Current Price: US$ 234 Bid US$ 258 or more Closing: 2018-06-28 22:25:00