1882, 5c Ultramarine, Vertical
Pair, Imperforate Horizontally (39a). Original gum, h.r., wide margins
at top and bottom, bright and freshEXTREMELY FINE. PROBABLY ONE OF THE FINEST PAIRS OF THIS PART-IMPERFORATE ERROR.
With 1985 P.F. certificate. (Image)
1886, 2c Orange Vermilion,
Reproduction (50). Horizontal pair, huge margins all around, original
gum, intense color, Extremely Fine, Scott Retail as singles (Image) 
1890, 5c Deep Indigo
(52C). Original gum, lightly hinged, deep rich color and proof-like
impression, Jumbo margins, Extremely Fine
(Image)
1893, 2c Brown, No Period
After "Govt" (56b). Top part imprint block of four with bottom left
stamp the error, original gum, top stamps h.r., rich color, wide margins,
Extremely Fine, Scott Retail as singles
(Image) 
1893, 2c Dull Violet, Strong
Double Ovpt. (57d). Original gum, wide margins, clearly struck second
overprint, Very Fine and choice, with 1984 P.F. certificate (Image) 
1893, 5c Deep Indigo, Double
Ovpt., Missing Period After "Govt" (58f var). Original gum, h.r., rich
color, clear second strike of overprint, Very Fine and choice, a rare
variety, ex Tows, with 1979 Hawaii Philatelic Society certificate (Image) 
1893, 6c Green, Double Ovpt.
(60a). Original gum, h.r., clear strike of second overprint is split,
Jumbo margins, Extremely Fine, scarce in such superb condition, with 1979
Hawaiian Philatelic Society certificate
(Image)