1865 (ca.) U.S. to Barcelona, Spain, lightly canceled 1864, 2¢ black on buff entire endorsed "Spain via England", with scarce "Admon de Camio, Vigo, 4 Ctos" circular handstamp and Barcelona arrival cds on reverse; partial backflap, Very Fine, a rare destination for printed matter. Scott No. U50  Estimate $500 - 750. $0 (Image)