8c Olive Green (560). Mint N.H., mathematically perfect centering, beautiful color and crisp impression, long and full perforations all around

EXTREMELY FINE GEM. AN ABSOLUTELY STUNNING MINT NEVER-HINGED EXAMPLE OF THE 8-CENT 1923 ISSUE, WHICH HAS BEEN GRADED GEM 100 BY P.S.E. -- THIS IS THE ONLY EXAMPLE TO ACHIEVE THIS PERFECT GRADE, WHICH IS THE HIGHEST AWARDED.

With 2011 P.S.E. certificate (Gem 100; unpriced in SMQ above the grade of 98, SMQ $1,400.00 as 98). This is the highest grade awarded in any condition category. This has always been considered the most difficult "key value" of the set to find in well-centered condition. This is supported by the low population report numbers for this stamp in the higher grades.

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