30c Full Black (190).
Original gum, lightly hinged, sharp impression on fresh paper, beautifully
centered with wide margins and well-formed perforations, Extremely Fine,
with 2000 P.F. certificate (Image) 
30c Full Black (190).
Original gum, barely hinged, sharp proof-like impression, unusually wide
margins, Extremely Fine, a beautiful stamp, with 2004 P.F. certificate (Image) 
30c Full Black (190).
Original gum, lightly hinged, sharp proof-like impression, almost perfectly
centered, Extremely Fine, with 2004 P.F. certificate
(Image) 
30c Full Black (190).
Original gum, intense shade, Very Fine and choice
(Image) 
30c Full Black (190).
Original gum, very lightly hinged, intense color on bright paper, Fine,
with 1975 P.F. certificate (Image) 
90c Carmine (191).
Original gum, barest trace of hinging, brilliant color, perfectly
centeredEXTREMELY FINE GEM. A SUPERB ORIGINAL-GUM EXAMPLE OF THE 90-CENT 1879 AMERICAN BANK NOTE COMPANY ISSUE.
With 2004 P.F. certificate (Image)
90c Carmine (191). Nearly
full original gum, couple tiny trivial thin specks, Very Fine appearance (Image)
90c Carmine (191). Wide
margins and choice centering, fresh bright color, clear Boston datestamp,
Extremely Fine, highly desirable example with this town marking rather than
the usual oval registry or parcel cancel
(Image)
90c Carmine (191).
Exceptionally well-centered and printed in an absolutely intense shade of
Carmine on bright white paper, unobtrusive face-free cancel, Extremely
Fine, simply stunning (Image)
90c Carmine (191).
Uncommonly wide margins, light registry oval cancel, Extremely Fine,
exceptionally attractive (Image)
90c Carmine, Double Paper (191
var). Duplex cancel, partial natural "dry print" of top left corner,
slight toning, otherwise Fine, extremely rare, endorsed and signed on the
reverse in pencil "In my opinion double paper Geo. B. Sloane", photocopy of
1981 P.F. certificate which does not mention the toning, unlisted in Scott
(Image)