American Merchants Union Express Co., from Ogdensbnrg, N.Y. Black on orange forwarding label with "U" of "Ogdensburg" inverted, on 1864, 2¢ black on orange entire to Millport N.Y., light creases and slight soiling, F.-V.F. and rare, ex Knapp. Estimate  $250 - 350. $0 (Image)