10c Brown, Grill (139).
H. Grill, natural thick brownish original gum, remarkably deep color, minor
thin spot, Very Fine appearance, with 1973 P.F. certificate (Image)
10c Brown, Grill (139).
H. Grill, unused (no gum), rich color, reperfed at right, single short perf
at bottom not mentioned on accompanying certificate, Fine appearance, with
2004 P.F. certificate (Image)
10c Brown, Grill (139).
H. Grill, exceptionally large margins and almost perfectly centered, fresh
rich color, unusual shield-like cancellation, few slightly blunted
perfs at bottom, otherwise Extremely Fine and quite attractive, light
pencil note on back indicates this was purchased in 1940 from Y. Souren,
the famous old-time New York stamp dealer
(Image)
10c Brown, Grill (139).
H. Grill, rich color, red cork cancel and part of matching circular
datestamp, Very Fine, scarce use of red cancel on 10c Grill, with 2004 P.F.
certificate (Image)
10c Brown, Grill (139).
H. Grill, deep rich color, strong grill, lightly cancelled, Fine (Image)
10c Brown, Grill (139).
H. Grill, rich color, small cork cancellation and purple ms. "X", two
closed tears, otherwise Fine (Image)
10c Brown, Grill (139).
H. Grill, huge natural "dry print" vertically at left, light cork
cancel at top right, a rare variety and great for exhibition, with 1992
P.F. certificate (Image)
12c Dull Violet, Grill
(140). H. Grill, wide margins, dark shade, discernible grill, cork
cancelVERY FINE AND CHOICE USED EXAMPLE OF THE RARE 1870 12-CENT NATIONAL BANK NOTE COMPANY GRILLED ISSUE.
With 1968 P.F. certificate (Image)
12c Dull Violet, Grill
(140). H. Grill, wide margins, fairly light cork cancel, Very Fine,
with 1995 P.S.E. certificate (Image)
12c Dull Violet, Grill
(140). Pretty shade, noticeable grill points, cork cancel, small corner
crease at bottom right, otherwise Fine, a very rare stamp, signed Bartels,
with 1964 and 2002 P.F. certificates (Image) 
15c Orange, Grill (141).
H. Grill, part original gum (more than half, but described as "small part"
on certficate), nicely centered with well-balanced margins, vivid color and
impression, grill shows clearly at leftVERY FINE AND CHOICE ORIGINAL-GUM EXAMPLE OF THE 15-CENT 1870 NATIONAL BANK NOTE COMPANY GRILLED ISSUE -- ONE OF THE MOST ELUSIVE OF THE BANK NOTE ISSUES IN THIS CONDITION.
With 1999 P.F. certificate (Image)