5c Brown, F. Grill (95).
Deep dark color, proof-like impression, precise centering, light diagonal
crease at bottom right which barely shows in fluid, otherwise Extremely
Fine copy of this challenging issue, with 2002 P.F. certificate (Image) 
5c Brown, F. Grill (95).
Unused (no gum), rich color, few tiny thin specks and tiny sealed tear at
bottom invisible on face, appears Very Fine, a scarce stamp in unused
condition (Image)
5c Brown, F. Grill (95).
Beautifully centered, detailed impression on bright white paper, bold leaf
cancel, Extremely Fine, an outstanding stamp, with 2002 P.F. certificate (Image)
10c Yellow Green, F. Grill
(96). Original gum, lightly hinged, deep rich color and strong grill
impression, Fine, a scarce stamp in sound original gum condition, with 2002
P.F. certificate (Image)
10c Yellow Green, F. Grill
(96). Beautifully centered with wide margins, bright and fresh, light
cork and red transit cancels, Extremely Fine, with 2002 P.F. certificate (Image)
10c Yellow Green, F. Grill
(96). Choice centering with unusually wide margins, light cancel on
fresh paper, Extremely Fine, with 2002 P.F. certificate
(Image) 
12c Black, F. Grill (97).
Part disturbed original gum, precise centeing, sharp impression, reperfed
at right, otherwise Very Fine (Image)
12c Black, F. Grill (97).
Well-centered on bright white paper, light cancel, Extremely Fine, with
2002 P.F. certificate (Image)
15c Black, F. Grill (98).
Choice centering, neat target cancel, bright white paper, clear grill
impression, Extremely Fine, an outstanding stamp, with 2002 P.F.
certificate (Image)
15c Black, F. Grill (98).
Choice centering, detailed impression, bold quartered cork cancel, Very
Fine, with 1997 P.F. certificate (Image) 
24c Gray Lilac, F. Grill
(99). Original gum, lightly hinged, clear grill points visible from
both front and back of the stamp, rich colorEXTREMELY FINE. A BEAUTIFUL ORIGINAL-GUM EXAMPLE OF THE 1868 24-CENT F. GRILL. A RARE STAMP IN SUCH OUTSTANDING CONDITION.
The high-value F Grill stamps are scarce in original-gum condition and rarely seen with the centering of this superb example.
With 2002 P.F. certificate (Image)