1c Blue, F. Grill (92).
Original gum, lightly hinged, fresh and bright color, choice centering with
wide marginsEXTREMELY FINE GEM. THE 1868 ONE-CENT F GRILL IS AN EXCEEDINGLY DIFFICULT STAMP TO FIND IN SUCH SOUND, SUPERBLY-CENTERED ORIGINAL-GUM CONDITION.
With 2000 P.F. certificate for block of four, this being the bottom right stamp (Image)
1c Blue, F. Grill (92).
Fresh and bright color, clearly-defined grill, light strike of quartered
cork cancel, Very Fine (Image)
2c Black, F. Grill (93).
Block of fifteen, original gum, crisp impression, natural short gum at
left, each stamp shows clear grill, bottom right stamp toned spot, light
horizontal crease affects bottom rowA FINE APPEARING LARGE MULTIPLE OF THE 1868 2-CENT F GRILL.
Scott Retail as two blocks of four, three pairs and a single (Image)
3c Red, F. Grill (94).
Original gum, lightly hinged, clearly-defined grill, brilliant color,
choice centering, Extremely Fine, a scarce stamp in such pristine
condition, with 2000 P.F. certificate
(Image) 
3c Red, F. Grill (94).
Small part original gum, wide margins, brilliant color, light diagonal
crease at top right, otherwise Very Fine, with 2000 P.F. certificate (Image)
3c Red, F. Grill (94).
Perfectly centered with Jumbo margins at sides and huge margins at top and
bottom, sharp grill, rich color on bright white paper, light quartered cork
cancel, Extremely Fine Gem, with 2000 P.F. certificate
(Image)
5c Brown, F. Grill (95).
Dark shade, perfect strike of unusual Small Four-Petal Flower fancy
cancel, couple faint vertical creases and small corner crease, Fine (Image) 
10c Yellow Green, F. Grill
(96). Original gum, lightly hinged, clear and sharp grill points,
choice centering with unusually wide margin at top, rich
colorEXTREMELY FINE. A SUPERB ORIGINAL-GUM EXAMPLE OF THE 1868 10-CENT F GRILL.
With 2000 P.F. certificate (Image)
10c Yellow Green, F. Grill
(96). Original gum, pretty bright shade, clearly-defined grill, fresh
and Very Fine, scarce with original gum, with 2000 P.F. certificate (Image)
12c Black, F. Grill (97).
Block of four, original gum, lightly hinged, sharp proof-like impression,
few sensibly and expertly reinforced perf separations at bottomVERY FINE-EXTREMELY FINE. ONE OF THE FINEST KNOWN BLOCKS OF THE 1868 12-CENT F GRILL.
Almost every original-gum block containing Very Fine or Extremely Fine stamps has been broken for the singles market. This is one of the few remaining blocks in superb condition. (Image)
12c Black, F. Grill (97).
Choice centering, proof-like impression, light strike of cancel, Extremely
Fine, with 2000 P.F. certificate (Image)