3c Ultramarine (114).
Original gum, lightly hinged, rich color and proof-like impression on
bright paper, remarkably well-centered, Extremely Fine, with 1991 P.F.
certificate (Image) 
3c Ultramarine (114).
Right margin single, original gum, sheet margin with end roller
grill, fresh and Very Fine, with 1989 P.F. certificate, Scott Retail
with no premium for the end roller grill
(Image)
3c Ultramarine (114).
Well-struck Maple Leaf of Waterbury Conn. (Rohloff L-6) fancy
cancel, stamp defective, Very Fine example of this exceptionally rare fancy
cancel (Image) 
6c Ultramarine (115).
Original gum, lightly hinged, choice centering with unusually wide margins,
brilliant color on bright white paper, detailed impressionEXTREMELY FINE. A SUPERB ORIGINAL-GUM EXAMPLE OF THE 6-CENT 1869 PICTORIAL.
The 6c 1869 is one of the most difficult low-denomination stamps of the issue to find with such wide margins. The other challenging 1869 lower values are the 2c and 12c.
With 2001 P.F. certificate (Image)
6c Ultramarine (115).
Original gum, fresh color, corner creases at bottom right and bottom left,
otherwise Very Fine (Image) 
6c Ultramarine (115).
Original gum, small h.r. and paper h.r., bright color, Very Fine, scarce
original-gum example of the 6c 1869, with 2000 P.S.E. certificate (Image)
6c Ultramarine (115).
Unused (no gum), bright color, reperfed at left, small thin and tiny tear,
Fine and attractive appearance, with 2001 P.F. certificate (Image)
6c Ultramarine (115).
Jumbo margins, natural s.e. at right with arrow at top, part of cds
and cork cancel, sharp impression, Extremely Fine, with 1986 P.F.
certificate (Image)
6c Ultramarine (115).
With misperfed appendage at right, bright color, bold circle of wedges
cancel, an unusual perf oddity (Image)