1c Blue, F. Grill (92).
Original gum, lightly hinged, deep rich color, sharply-defined grill
points, Very Fine and choice, with 2000 P.F. certificate
(Image)
2c Black, F. Grill (93).
Unused (no gum), proof-like impression, and sharp grill, Extremely Fine,
with 1992 P.F. certificate (Image) 
3c Red, F. Grill (94).
Original gum, near perfect centering with fantastic wide margins all
around, rich color on fresh paper, sharp grill impressionEXTREMELY FINE GEM. A SPECTACULAR WIDE-MARGINED EXAMPLE OF THE 1868 3-CENT F GRILL WITH ORIGINAL GUM.
With 1984 P.F. certificate (Image)
5c Brown, F. Grill (95).
Original gum, lightly hinged, beautiful rich color and impression,
well-defined grillVERY FINE EXAMPLE OF THE 1868 5-CENT F GRILL WITH ORIGINAL GUM.
With 1990 P.F. certificate (Image)
10c Yellow Green, F. Grill
(96). Original gum, lightly hinged, choice centering with unusually
wide margins, deep rich color and sharp grill impression on bright paper,
the gum is clean and freshEXTREMELY FINE GEM. ONE OF THE FINEST ORIGINAL-GUM EXAMPLES OF THE 1868 10-CENT F GRILL.
With 1992 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). Choice centering with extra wide top and bottom margins, deep
rich color, neat blue cancel, fresh and Extremely Fine, with 2000 P.F.
certificate (Image) 
12c Black, F. Grill (97).
Original gum, lightly hinged, attractive shade, incredibly
well-centeredEXTREMELY FINE GEM. A SUPERB ORIGINAL-GUM EXAMPLE OF THE 12-CENT F GRILL WITH PERFECTLY BALANCED MARGINS. AN EXTRAORDINARY STAMP.
With 2000 P.F. certificate (Image)
12c Black, F. Grill (97).
Disturbed original gum, clear grill, lightly stained and perf faults, still
Extremely Fine centering, a scarce stamp in original-gum condition, with
1987 P.F. certificate (Image) 
12c Black, F. Grill (97).
Unused (no gum), well-centered, intense shade, Extremely Fine and choice,
with 2000 P.F. certificate (Image) 
15c Black, F. Grill (98).
Original gum, lightly hinged, well-centered, sharp proof-like impression,
clear grill pointsEXTREMELY FINE AND CHOICE EXAMPLE OF THE 15-CENT F GRILL. A BEAUTIFUL STAMP.
To underscore the rarity of the 15c F Grill in such choice condition, a similarly-centered original-gum example realized $10,000 hammer in our 2000 Rarities sale.
With 2000 P.F. certificate (Image)