841 PARAGUAY - AIRMAIL Auction #1839: WORLDWIDE + ARGENTINA: October General Auction Pair / Used Cat.#: Sc.C5 var. VF. Sc.C5, vertical pair, the lower stamp with DOUBLE OVERPRINT variety, VF quality, very rare! Starting Price: US$ 25 Current Price: US$ 25 Bid US$ 25 or more Closing: 2018-10-25 22:20:00