12c Black, F. Grill (97).
Crisp impression, light strike of cancel, Extremely Fine, with 2000 P.F.
certificate (Image)
15c Black, F. Grill (98).
Large part original gum, almost perfectly centered, sharp impression on
bright paper, strong grill impression, thin and small tear at top,
otherwise Extremely Fine (Image) 
30c Orange, F. Grill
(100). Original gum, remarkably choice centering, rich color, sharp
grill impression, slight vertical crease and tiny corner perf crease at top
rightEXTREMELY FINE APPEARANCE. A VERY RARE ORIGINAL-GUM EXAMPLE OF THE 1868 30-CENT F GRILL.
The Scott Catalogue footnote to No. 100 states: "Values for No. 100 are for copies with small margins, especially at sides." (Image)
30c Orange, F. Grill
(100). Part original gum, deep shade and intense impression, sharp
grill impression, trivial perf tip creases and trace of soilingFINE. THE 1868 30-CENT F GRILL IS RARELY FOUND WITH EVEN PORTIONS OF ORIGINAL GUM.
The Scott footnote to No. 100 states: "Values for No. 100 are for copies with small margins, especially at sides." (Image)
30c Orange, F. Grill
(100). Superb centering, intense shade and impression, strong grill,
neat strikes of circle of wedges and "Yokohama, Japan" circular
datestampEXTREMELY FINE. A REMARKABLY CHOICE 1868 30-CENT F GRILL AND VERY RARE USE FROM THE UNITED STATES POST OFFICE IN JAPAN.
With 2000 P.F. certificate (submitted as "Hiogo, Japan" in error) (Image)
90c Blue, F. Grill (101).
Deep rich color on bright paper, grill points easily noticeable from front
of stamp due to light application of cancel, Very Fine and choice, with
2000 P.F. certificate (Image)
90c Blue, F. Grill (101).
Near perfect centering with wide margins at top and bottom, bright shade,
bold quartered cork cancel, tiny thin speck, reperfed at right, Extremely
Fine appearance (Image)