EXTREMELY FINE GEM. A SUPERB MINT NEVER-HINGED PAIR OF THE 3-CENT HORIZONTAL COIL, SCOTT 456, GRADED SUPERB 98 BY P.S.E.
With 2010 P.S.E. certificate (Superb 98; SMQ $6,750.00). This is the highest grade awarded and it is shared by only two other pairs