2c Carmine, China Clay
(332b). Mint N.H. with part imprint at bottom, small piece cut out of
margin which was tested to confirm its paper composition, light pencil note
"China Clay 332var" on gum and "Plate #4843" on gum in
margin, Fine, the 2c is one of the rarest of the China Clay paper stamps,
with 1992 P.F. certificate as "China Clay paper" but not subject to
extension because the P.F.'s current policy is not to certify China Clay
papers (Image) 
8c Olive Green, China Clay
(337a). Mint N.H., well-centered, detailed impression on fresh paper,
Very Fine and choice, with photocopy of 1991 P.F. certificate (stating
"China Clay Paper") for block of four, this being the top left stamp, but
not eligible for extension because the current P.F. policy is not to
certify China Clay papers (Image) 
6c Red Orange (336). Mint
N.H., well-centered with huge margins, Extremely Fine, with 1987 P.F.
certificate (Image) 
15c Pale Ultramarine
(340). Mint N.H., perfectly centered, fresh color and detailed
proof-like impression, Extremely Fine Gem, with 1987 P.F. certificate (Image) 
50c Violet (341). Mint
N.H., choice centering, beautiful deep shade on bright paperEXTREMELY FINE GEM. A REMARKABLY CHOICE HIGH-DENOMINATION WASHINGTON ISSUE IN POST-OFFICE FRESH CONDITION.
With 1982 P.F. certificate (Image)
$1.00 Violet Brown (342).
Barely hinged, deep shade and sharp proof-like impression, choice
centering, Extremely Fine, with 1979 P.F. certificate
(Image) 
1c Green, Coil (348). Mint
N.H. guide line pair, exceptionally well-centered, rich color, Extremely
Fine, a beautiful guide line pair, with 1981 P.F. certificate (Image) 
1c Green, Coil (348). Mint
N.H. pair, bright and fresh, remarkably well-centered with wide margins,
Extremely Fine Gem, with 1981 P.F. certificate
(Image) 
2c Carmine, Coil (349).
Mint N.H. guide line pair, brilliant color, wide margins, Extremely Fine,
with 1983 P.F. certificate (Image) 
4c Orange Brown, Coil
(350). Mint N.H. guide line pair, deep rich color and proof-like
impression on bright paper, wide marginsEXTREMELY FINE. AN EXCEEDINGLY RARE MINT NEVER-HINGED GUIDE LINE PAIR OF THE 4-CENT PERF 12 DOUBLE-LINE WATERMARKED COIL.
According to Johl (Vol. 1, page 153), this coil was issued approximately eighteen months after the horizontal coil Scott 354 and was only in use for a short period of time.
With 1981 and 2002 P.F. certificates (Image)
5c Blue, Coil (351). Mint
N.H. guide line pair, beautiful rich color on brilliant paperVERY FINE AND CHOICE MINT NEVER-HINGED GUIDE LINE PAIR OF THE 5-CENT VERTICAL COIL.
With 1977 (for guide line strip of four) and 2002 P.F. certificates (Image)