12c Black (36). Block of
four with double rows of vertical perfs, slightly disturbed original
gum, slight thins in top pair, Fine-Very Fine appearance, exhibit-worthy
perf variety (Image)
12c Black (36).
Well-centered, blue circular datestamp, Very Fine, with 2005 P.F.
certificate (Image)
12c Black (36).
Remarkable centering and margins with perfs well clear of frameline on
three sides and just touching top frameline, sharp proof-like impression,
neat strike of circular datestamp, fresh and Extremely Fine, with 2000 P.F.
certificate (Image)
12c Black (36). Crisp
impression, light strike of cancel, Very Fine and choice, with 1989 and
2004 P.F. certificates and 2005 P.S.E. certificate (VF 80) (Image)
12c Black (36). Block of
four, quite well-centered for a multiple from this tightly-spaced plate,
indistinct cancels, minor separation at bottom, Fine-Very Fine and scarce
(Image)
12c Black, Plate 3 (36b).
Extra wide side margins and remarkably choice centering with characteristic
irregular framelines showing all around, deep shade, bold grid cancel,
Extremely Fine, with 2005 P.F. certificate
(Image)
12c Black, Plate 3, Plate
Proof on Stamp Paper (36bP4d). Extra frameline at right, three large
margins, close to touching at top, Fine, very rare, with 1988 P.F.
certificate (Image)
24c Gray Lilac (37).
Original gum, lightly hinged, brilliant color, wide marginsVERY FINE AND CHOICE ORIGINAL-GUM EXAMPLE OF THE 1860 24-CENT GRAY LILAC.
With 2001 P.F. certificate (Image)
24c Gray Lilac (37).
Slightly disturbed original gum, deep rich color, Very Fine (Image) 
24c Gray Lilac (37). Part
original gum, fresh color, thin spot, Fine appearance
(Image)
24c Gray Lilac (37).
Pretty shade, light strike of red circular datestamp, centered to
bottom, Fine, with 2005 P.F. certificate
(Image)