1851 1c blue, type III, black cancel, margins just touching at left, full on all other sides with part of adjoining stamp at bottom, fresh and fine, with 1994 PFC, cat. $1800 (Cat No. 8) (Image)

Cat. $1800, Est.$500

1851 1c blue, type IIIa, unused, disturbed original gum, margins all around, with 2018 PSE certificate graded "F-VF 75" (SMQ $4,500) cat. $6000 (Cat No. 8A) (Image)

Cat. $6000, Est.$2,500

1851 1c blue, type IIIa, unobtrusive blue cancel, large margins all around, nice impression, tiny corner margin crease, still v.f. and beautiful stamp, with 2007 PFC, cat. $800 (Cat No. 8A) (Image)

Cat. $800, Est.$250

1851 5c red brown, unused with full original gum, h.r., ample to large margins all around, splendid color, light vertical crease, otherwise v.f. A rare unused stamp, with 1987 PFC for a horizontal pair from which it originated, cat. $30000 (Cat No. 12) (Image)

Cat. $30000, Est.$6,000

1851 10c green, types II and III, black grid or town cancels, each with large margins all around, v.f., cat. $280 (Cat No. 14,15) (Image)

Cat. $280, Est.$150

1851 10c green, type IV, position 65L1, recut at top, ample to large margins all around, rich color, neat strike of circular datestamp, v.f., with 1962 PFC, cat. $1600 (Cat No. 16) (Image)

Cat. $1600, Est.$750