10c Brown, Grill (139).
Unused (regummed), dark shade and detailed impression, sharp grill,
Extremely Fine, with 1985 P.F. certificate
(Image)
10c Brown, Grill (139).
Clear grill points, circle of wedges cancel, well-centered with unusually
wide margins, several ironed out creases, appears Extremely Fine, with 1989
P.S.E. certificate (Image) 
12c Dull Violet, Grill
(140). Unused (no gum), deep rich color on fresh crisp paper, clear
grill pointsVERY FINE. A RARE UNUSED EXAMPLE OF THE 12-CENT 1870 NATIONAL GRILLED ISSUE.
The handful of original-gum examples of this rarity have grills that show only a few points. This stamp, although lacking gum, has a much clearer grill impression. It is also well-centered and has excellent color for the issue.
With 1996 P.S.E. certificate (Image)
12c Dull Violet, Grill
(140). Rich color, well-struck bright blue target cancel, reperfed at
bottom, Very Fine appearance, with 1991 P.F. certificate
(Image)
15c Orange, Grill (141).
Original gum, lightly hinged, nearly perfect centering, clear grill points
at bottom, brilliant color on bright paperEXTREMELY FINE. A SUPERB EXAMPLE OF THE 15-CENT 1870 NATIONAL GRILLED ISSUE. A RARE STAMP IN SUCH CHOICE ORIGINAL-GUM CONDITION.
The 15c National Grilled Issue is one of the most difficult of all National Bank Note Company issues to find in well-centered, original-gum condition. The stamp offered here, combining the elements of color, paper, centering, noticeable grill points and pristine gum, is a true condition rarity.
With 2000 P.F. certificate (Image)
15c Orange, Grill (141).
Original gum, noticeable grill points at base of bust, brilliant color and
excellent impressionVERY FINE AND CHOICE ORIGINAL-GUM EXAMPLE OF THE 15-CENT 1870 NATIONAL GRILLED ISSUE.
With 2000 P.F. certificate (Image)
15c Orange, Grill (141).
Unused (no gum), vivid color on bright fresh paper, clear grill points,
small diagonal crease at top left, otherwise Very Fine, with 1992 P.S.E.
certificate (Image)
15c Orange, Grill (141).
Wide margins and exceptionally choice centering, deep rich color on bright
paper, clear impression of almost six complete rows of grill points,
well-struck circle of wedges and part of red transit cancelsEXTREMELY FINE. A BEAUTIFUL 15-CENT 1870 NATIONAL GRILLED STAMP, COMBINING CENTERING, COLOR AND AN ATTRACTIVE CANCELLATION.
With 2000 P.F. certificate (Image)
15c Orange, Grill (141).
Bright color, well-struck target cancel, light creasing, otherwise Very
Good (Image)
24c Purple, Grill (142).
Perfectly centered, neat target cancel, usual pastel shade, clear grill
pointsEXTREMELY FINE. A SUPERB USED EXAMPLE OF THE 24-CENT 1870 NATIONAL GRILLED ISSUE.
With 1993 A.P.S. and 1994 P.F. certificates (Image)
30c Black, Grill (143).
Unused (no gum), remarkably choice centering for this issue, sharp
proof-like impression, clear row of points at base of neckEXTREMELY FINE. A REMARKABLY FRESH AND BEAUTIFULLY CENTERED EXAMPLE OF THE 30-CENT 1870 NATIONAL GRILLED ISSUE. RARE IN UNUSED CONDITION AND ONE OF A HANDFUL WITH THIS CHOICE CENTERING.
With 1963 and 1988 P.F. certificates (Image)