Confederacy New Orleans, La., May 20. Tying U.S. 1857, 3¢ dull red + 12¢ black on 1861 cover to Cantelle, France, red "New York, Paid 3, May 25" exchange cds and reverse with French transit and receiving backstamps, 12¢ additionally tied by indistinct town, minor cover wrinkling, F.-V.F., a very scarce U.S. used in the Confederacy usage to France. Scott No. U.S. 26+36  Estimate $400 - 600. $0 (Image)