FINE. A VERY RARE ERROR PAIR. FEWER THAN TEN HAVE BEEN CERTIFIED.
This error was discussed at length by George Brett in the Philatelic Foundation's Opinions V and updated by Roger Brody in Opinions VII.
With 1958 P.F. certificate. Footnoted in Scott under the normal booklet pane listing as "a variety resulting from booklet experiments"
EXTREMELY FINE GEM. A STUNNING MINT NEVER-HINGED EXAMPLE OF SCOTT 339, GRADED SUPERB 98 BY P.S.E. -- THE HIGHEST GRADE AWARDED.
With 2003 P.F. and 2006 P.S.E. certificate (Superb 98; SMQ $2,300.00). This is the highest grade awarded and it is shared by only five others.
EXTREMELY FINE GEM. A SUPERB MINT NEVER-HINGED GUIDE LINE PAIR OF THE ONE-CENT VERTICAL COIL, SCOTT 348. EXCEEDINGLY RARE IN SUCH SUPERB CONDITION.
Ex "Scarsdale" and "Hanover". With 1981, 1999 P.F. and 2004 P.S.E. certificates (Superb 98; SMQ $4,000.00). This is the highest grade awarded and it is shared by only two others
VERY FINE. A RARE PASTE-UP PAIR OF THE 10-CENT PERF 12 HORIZONTAL COIL WITH A PLATE NUMBER ON THE PASTE-UP TAB.
This early coil was stripped into rolls by hand. Paste-ups occurred where one strip was joined with the other.
With 1943 A.P.S., 2004 and 2013 P.S.E. certificates, the latter stating Mint N.H. Scott Retail as normal hinged pair