1c Blue, F. Grill (92).
Original gum, precise centering, perfect grill impression on bright white
paperEXTREMELY FINE. THE 1868 ONE-CENT F GRILL IS AN EXCEEDINGLY DIFFICULT STAMP TO FIND IN WELL-CENTERED, SOUND ORIGINAL-GUM CONDITION.
With copy of 2000 P.F. certificate for block of four, this being the top left stamp (Image)
3c Red, F. Grill (94).
Slightly disturbed original gum, clear grill points, bright color,
Extremely Fine, with 2003 P.F. certificate
(Image) 
3c Red, F. Grill (94).
Disturbed original gum, rich color, Very Fine, with 2003 P.F. certificate
(Image)
5c Brown, F. Grill (95).
Dark color and proof-like impression, clear grill points, light cork
cancel, Extremely Fine, with 2003 P.F. certificate
(Image)
5c Brown, F. Grill, Split
Grill (95 var). Unused (no gum), clear grill points, split
horizontally, small faults, Very Good, scarce variety, with 1981 P.F.
certificate (Image) 
10c Yellow Green, F. Grill
(96). Unused (no gum), bright color, unusually choice centering, few
toned perfs at top and single nibbed perf at bottom, otherwise Extremely
Fine (Image)
10c Yellow Green, F. Grill
(96). Brilliant color nicely contrasted by red New York
datestamp, clear grill, Extremely Fine, with 2003 P.F. certificate (Image) 
12c Black, F. Grill (97).
Original gum, crisp impression, clear grill pointsVERY FINE. A SCARCE ORIGINAL-GUM EXAMPLE OF THE 1868 12-CENT F GRILL.
With 2003 P.F. certificate (Image)
12c Black, F. Grill (97).
Original gum, lightly hinged, choice centering and well-defined grill, tiny
internal tear mentioned on accompanying certificate and barely visible only
in fluid, appears Very Fine, with 2000 P.F. certificate
(Image)
12c Black, F. Grill (97).
Intense shade, light strike of cancel, wide margins, Extremely Fine, with
2003 P.S.E. certificate (Image) 
15c Black, F. Grill (98).
Unused (regummed), clear grill, Fine (Image)