1870, 6¢ Carmine, exceptionally well centered, tiny corner perf crease, tied by cross roads cancel on cover to Liverpool, England, magneta "San Francisco Cal. Dec 19" foreign mail cds, red Liverpool U.S. Packet (1.6) arrival cds, 1874 docketing on back, Very Fine and attractive use, ex-Emerson. Scott No. 148  Estimate $150 - 200. $0 (Image)

1870, 6¢ Carmine, vertical stitch watermark, segmented cork cancel, precision centering amid evenly balanced margins, uncommonly rich deep color, Superb, rarely encountered in such exceptionally choice condition; with 1999 & 2012 P.F. certificates and 2013 P.S.A.G. Graded certificate (98, SSV $925). Scott No. 148  $35. $0 (Image)

1870, 6¢ Carmine, bold socked-on-the-nose negative Masonic square and compass cancel, perfectly centered amid evenly balanced margins, bright color, Extremely Fine and choice; with 2012 P.F. certificate. Scott No. 148  $35. $0 (Image)

1870, 6¢ Carmine, Grilled, central target cancel, bright vibrant color, F.-V.F.; with 2012 P.F. certificate. Scott No. 137  $575. $0 (Image)