1c Blue, Ty. I (18). Rich
color, circular datestamp, Very Fine, with 2002 P.F. certificate (Image)
1c Blue, Ty. I (18).
Light strike of grid cancel, rich color, small corner crease, Very Fine
appearance, with 1988 P.F. certificate
(Image)
1c Blue, Ty. I, II (18,
20). Block of four, Positions 65-66/75-76L12, top stamps Ty. II, bottom
stamps Ty. I, original gum, h.r., centered to bottom, perf staining on top
left stamp, Very Good, scarce combination block, with 1979 P.F. certificate
(Image)
1c Blue, Ty. Ia (19).
Rich color, light circular datestamps, three short perfs at rightVERY FINE EXAMPLE OF THE RARE 1857 ONE-CENT PERFORATED TYPE Ia ISSUE.
Type Ia stamps were produced from 18 of the 20 bottom-row positions on Plate 4. After perforations were introduced in mid-1857, sheets on hand printed from Plates 1 Late, 2 and 4 were fed through the new perforating machine. (Image)
1c Blue, Ty. II (20).
Plate 12, original gum, lightly hinged, rich color, choice centering with
perforations clear of design all around, Extremely Fine Gem (Image) 
1c Blue, Ty. III (21).
Plate 4, disturbed original gum, rich color, choice centering from top to
bottom showing clear breaksFINE EXAMPLE OF THE 1857 ONE-CENT PERFORATED TYPE III.
A scarce stamp in original gum condition. (Image)
1c Blue, Ty. III (21).
Plate 4, pen cancel expertly removed and regummed, perfectly precise
centering, intense color on bright white paper, small corner crease,
otherwise Extremely Fine, with 2001 P.S.E. certificate
(Image) 
1c Blue, Ty. IIIa (22).
Plate 4, original gum, h.r., deep rich color, well-centered with perfs
clear on all sides, Very Fine and choice, a scarce stamp in such fresh
original-gum condition (Image)
1c Blue, Ty. IIIa (22).
Plate 4, rich color and crisp impression, light circular datestamp, fresh
and Very Fine, with 2002 P.F. certificate
(Image)
1c Blue, Ty. V (24). Mint
N.H. top margin single, rich color, choice centering, Very Fine, with
1996 P.F. certificate, Scott Retail as hinged
(Image) 
1c Blue, Ty. V (24).
Original gum, lightly hinged, fresh color, Very Fine and choice (Image)