8c Olive Green (380). Mint
N.H., remarkably bright color, well-centered with exceptionally wide
margins, Very Fine and choice (Image) 
10c Yellow (381). Mint
N.H., radiant color, Very Fine, with 1988 P.F. certificate (Image) 
15c Pale Ultramarine
(382). Mint N.H., fresh color and detailed impression, Very Fine (Image) 
1c Green, Coil (385). Mint
N.H. guide line pair, perfect centering with Jumbo margins on all sides,
rich color and proof-like impressionEXTREMELY FINE GEM. A SUPERB MINT NEVER-HINGED GUIDE LINE PAIR
With 1986 P.F. certificate (Image)
2c Carmine, Coil (386).
Mint N.H. guide line pair, beautiful bright color and sharp
impressionVERY FINE AND CHOICE. A PRETTY MINT NEVER-HINGED GUIDE LINE PAIR.
According to Johl (Vol. 1, p. 111), the Bureau quickly switched to Perf 8-1/2 for their coils after a very short period of time because the Perf 12 coils fell apart in the machines used to affix (and make) the coils. Scott 386 was one of the first to be discontinued.
With 1980 P.F. certificate (Image)
1c Green, Coil (387). Mint
N.H. guide line pair, rich color and detailed proof-like impression, fresh
and intactVERY FINE AND CHOICE. AN EXTREMELY RARE GUIDE LINE PAIR, ESPECIALLY SO IN MINT NEVER-HINGED CONDITION.
With 1994 P.F. certificate (Image)
2c Carmine, Coil (388).
Guide line pair, lightly hinged, intense color and proof-like impression,
beautiful centering with wide marginsEXTREMELY FINE. A BEAUTIFUL GUIDE LINE PAIR OF THE RARE 1910 SINGLE-LINE WATERMARK 2-CENT HORIZONTAL COIL.
With 2001 P.F. certificate (Image)
1c Green, Coil (390). Mint
N.H. guide line pair, beautifully centered with wide margins, intense
shade, Extremely Fine (Image) 
2c Carmine, Coil (391).
Mint N.H. guide line pair, almost perfect centering with Jumbo margins,
brilliant colorEXTREMELY FINE GEM. AN OUTSTANDING MINT NEVER-HINGED GUIDE LINE PAIR IN THE FINEST CONDITION ATTAINABLE.
The Perf 8-1/2 coil stamps were produced after the Bureau introduced a new machine to assist in the production of coil stamps. The earlier Perf 12 stamps were too fragile for use in the machine, which necessitated the change in perforation gauge from 12 to 8-1/2. (Image)
1c Green, Coil (392). Mint
N.H. guide line pair, deep rich color, wide margins, Very Fine and choice,
with 1978 P.F. certificate (Image) 
2c Carmine, Coil (393).
Mint N.H. guide line pair, perfectly centered with wide and
well-proportioned margins, rich color and proof-like
impressionEXTREMELY FINE GEM. A SUPERB MINT NEVER-HINGED GUIDE LINE PAIR OF THIS COIL IN THE FINEST CONDITION ATTAINABLE.
With 1982 P.F. certificate (Image)