1851, 1¢ blue, types II & IIIa. Horizontal pair (positions 51-52R1E), neat red grid cancels, ample margins to just shaving at bottom right, bright distinctive plate one early color, thins spots at left and sealed pinhole at upper right, Very Fine appearance; with 2004 A.P.S. certificate. Scott No. 7, 8A  $1,250. $0 (Image)