1c Ultramarine, Grill
(134). Block of four, original gum, lightly hinged, bright color,
reperfed at left, top right stamp with small surface scrape, some perf
separations, Very Fine appearance, with 1995 P.F. certificate (Image)
2c Red Brown, Grill (135).
Original gum, lightly hinged, well-centered, full and clearly impressed
grill, deep shade and fresh colorEXTREMELY FINE AND CHOICE. AN OUTSTANDING STAMP SHOWING A STRONG IMPRESSION OF THE NATIONAL GRILL. RARE IN SUCH PRISTINE CONDITION.
With 1999 P.F. certificate (Image)
3c Green, Grill (136).
Original gum, lightly hinged, perfectly centered, rich color, strong
impression of the entire grill, Extremely Fine Gem, remarkably choice
quality, with 1992 P.F. certificate (Image) 
3c Green, Split Grill Variety
(136 var). Original gum, shows grill impression at bottom right and
trace of grill at top right, fresh color, Very Fine and choice, with P.F.
certificate calling this a double grill variety
(Image)
3c Green, Grill (136).
Jumbo margins, rich color, lightly cancelled, clear grill points, Extremely
Fine Gem, a huge stamp, with 2000 P.F. certificate
(Image)
3c Green, Grill (136).
Well-centered with extra wide margins, clear grill points, light quartered
cork cancel, Extremely Fine and choice
(Image)
3c Green, Grill (136).
Rich color on fresh paper, well-defined grill on crisp paper, clearly
struck Negative 5-Point Star fancy cancel, Extremely Fine (Image) 
6c Carmine, Grill (137).
Original gum, clearly-defined grill, unusually rich color for this stamp,
well-centered with wide marginsEXTREMELY FINE. AN EXTRAORDINARY ORIGINAL-GUM EXAMPLE OF THE 6-CENT NATIONAL GRILLED ISSUE, COMBINING THE QUALITIES OF COLOR, CENTERING, STRONG GRILL AND IMPRESSION.
Examples of the 6c National Bank Note Co. Grilled issue with original gum are rarely well-centered and sound. This example is one of the finest original-gum copies that we have ever offered.
With 2000 P.F. certificate (Image)
15c Orange, Grill (141).
Perfect centering with wide balanced margins, radiant color, bold grid
cancelEXTREMELY FINE GEM. A 15-CENT NATIONAL GRILLED STAMP OF EXCEPTIONAL BEAUTY AND QUALITY.
With 1997 P.F. certificate (Image)
15c Orange, Grill (141).
Bright shade, well-struck blue diamonds fancy cancel, one short perf
at right, otherwise Extremely Fine (Image)