1863, 2¢ black, Double Transfer, Horizontal Pair. Right stamp with full shift showing in upper portion of stamp, left stamp showing minor shift at upper left, in combination with 3¢ rose, horizontal pair on cover to Grove Mills, Canada, tied by circle of wedges cancel with Chicago, Ill., May 6 cds alongside, red "U.S. 10cts, Paid" in oval exchange handstamp, transit and receiving backstamps; cover reduced at left, Very Fine, a remarkable shift. Scott No. 73+65  Estimate $200 - 300. $0 (Image)