1851, 12¢ black. Horizontal pair, clear to large margins, tied by grid cancel on 1854 cover to London, England, reverse with "Boston, Br. Pkt., Feb 23" cds and red London tombstone entry cds additionally tying stamps, cover with allover soiling and a few filing pinholes at bottom right, Fine. Scott No. 17  Estimate $300 - 400. $0 (Image)

1851, 12¢ black. Neat blue town cancel, large to huge margins, bold shade, Extremely Fine, choice; with 2004 P.F. certificate. Scott No. 17  $335. $0 (Image)

1851, 12¢ black. Position 4R1, neat town cancel, full even margins, Very Fine and choice; with 1995 P.S.E. certificate. Scott No. 17  $325. $0 (Image)

1851, 12¢ black. Light town cancel, ample to large margins, Very Fine; with 2004 P.S.E. graded certificate (VF 80). Scott No. 17  $325. $0 (Image)