1c Blue, F. Grill (92).
Original gum, lightly hinged, well-centered, lovely pastel shade,
incredibly fresh, few pulled perfs at left and one short perf at bottom,
otherwise Very Fine, with photocopy of 2000 P.F. certificate for block of
four, this being the bottom left stamp
(Image)
1c Blue, F. Grill (92).
Rich color, clear grill, bold circle of wedges cancel, Very Fine, with 2001
P.F. certificate (Image) 
2c Black, F. Grill (93).
Original gum, small h.r., clearly-defined grill, crisp impression, Very
Fine and choice, a fresh stamp (Image) 
2c Black, F. Grill (93).
Top left corner sheet margin strip of three, part original gum, dark color,
few margin faults, right stamp few toned specks, otherwise Very Good, Scott
Retail as single and pair (Image)
2c Black, F. Grill (93).
Near perfect centering with wide even margins, detailed impression on fresh
paper, well-defined grill, lightly struck cancel, Extremely Fine Gem, with
1999 P.F. certificate (Image) 
3c Red, F. Grill (94).
Original gum, lightly hinged, bright shade and crisp impression, clear
grill, beautiful centering, Extremely Fine Gem, with 2000 P.F. certificate
(Image)
3c Red, F. Grill (94).
Block of four, original gum, h.r., rich color, clearly-defined grills,
choice centeringVERY FINE. A SUPERB BLOCK OF FOUR OF THE 1868 3-CENT F GRILL.
Ex Sinkler where acquired by the Halls in 1940. (Image)
3c Red, F. Grill (94).
Intense color and proof-like impression, Jumbo margins, perfectly struck
segmented cork fancy cancel, Extremely Fine Gem, a stamp of great visual
appeal, with 2000 P.F. certificate (Image)
5c Brown, F. Grill (95).
Precise centering, deep dark shade on fresh paper, Very Fine and choice,
scarce in this condition, with 2001 P.F. certificate
(Image) 
10c Yellow Green, F. Grill
(96). Original gum, near perfect centering, rich color and clear grill,
possible tiny thin, Extremely Fine appearance
(Image)
10c Yellow Green, F. Grill
(96). Unused (no gum), dark shade, clear grill, small sealed tear,
otherwise Fine (Image)