10c Brown, Without Secret
Mark (187). Original gum, enormous margins all around, rich color and
sharp proof-like impression leaves no doubt about the absence of the secret
mark, tiny thin spot, Extremely Fine appearance, the 10c without secret
mark is a very rare stamp with original gum
(Image) 
10c Brown, With Secret Mark
(188). Original gum, lightly hinged, perfectly centered with extra wide
even margins, dark shade and sharp impressionEXTREMELY FINE GEM. A WONDERFUL EXAMPLE OF THE 10-CENT 1879 AMERICAN BANK NOTE ISSUE WITH SECRET MARK.
With 1995 P.F. certificate (Image)
10c Brown, With Secret Mark
(188). Unused (no gum), well-centered with enormous margins, dark shade
on bright fresh paper, Extremely Fine
(Image) 
10c Brown, With Secret Mark
(188). Unused (no gum), dark shade, well-centered with unusually wide
margins at top and bottom, Extremely Fine
(Image)
15c Red Orange (189). Mint
N.H. perfectly centered with wide even margins, vivid color and sharp
impression on bright white paperEXTREMELY FINE GEM. A SUPERB MINT NEVER-HINGED EXAMPLE OF THE 15-CENT AMERICAN BANK NOTE ISSUE.
With 2000 P.F. certificate (Image)
15c Red Orange (189). Mint
N.H. top margin imprint and plate no. block of 21, natural s.e. at
right, brilliant color and beautiful centering throughoutVERY FINE-EXTREMELY FINE. A SUPERB MINT NEVER-HINGED LARGE MULTIPLE OF THE 15-CENT 1879 AMERICAN BANK NOTE PRINTING.
Scott Retail as hinged plate block and pairs (Image)
15c Red Orange (189).
Block of four, original gum, lightly hinged, beautiful bright color on
fresh paper, each stamp almost perfectly centeredEXTREMELY FINE GEM BLOCK OF FOUR OF THE 15-CENT 1879 AMERICAN BANK NOTE PRINTING.
A superb block in every respect. (Image)
30c Full Black (190).
Original gum, choice centering with nicely balanced margins, intense
impressionEXTREMELY FINE AND CHOICE EXAMPLE OF THE 30-CENT 1879 AMERICAN BANK NOTE ISSUE.
With 2000 P.F. certificate (Image)
30c Full Black (190).
Original gum, lightly hinged, intense impression, fresh and Very Fine, with
2000 P.F. certificate (Image) 
30c Full Black (190).
Original gum, h.r., tiny adherence on gum, reperfed at top, appears
Extremely Fine (Image) 
90c Carmine (191).
Original gum, wide margins at top and bottom, rich color, two small thins,
Extremely Fine appearance (Image)