50c Columbian (240). Original gum, single hinge mark, deep rich color and proof-like impression, mathematically precise centering with wide margins, long and full perforations all around

EXTREMELY FINE GEM. THIS STUNNING ORIGINAL-GUM EXAMPLE OF THE 5-CENT COLUMBIAN ISSUE HAS BEEN GRADED GEM 100 BY P.S.E. -- THIS IS THE HIGHEST GRADE AWARDED TO DATE AND ONE OF ONLY TWO TO ACHIEVE THIS GRADE.

With 2011 P.S.E. certificate (OGph, Gem 100; unpriced in SMQ above the grade of 98, SMQ $3,500.00 as 98). This is the highest grade awarded to date in any category and only one other example has achieved this grade (a Mint N.H. copy).

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