12c Black (17). Large to huge margins all around including parts or traces of six surrounding stamps, beautiful deep shade and neatly struck Boston large "Paid" grid cancel

EXTREMELY FINE GEM. ONE OF THE MOST ATTRACTIVE USED EXAMPLES OF THE 12-CENT 1851 ISSUE WE HAVE ENCOUNTERED, GRADED GEM 100 BY THE PHILATELIC FOUNDATION.

Many collectors have a tendency to discount how difficult it is to find imperforate classics in such superb condition. The assumption is that there are multiples which can be split to "make" perfect singles. However, one would need a lightly-cancelled block of nine or sheet margin block of six, with no wrinkles or other minor defects, to produce a single such as the one offered here.

With 2016 P.F. certificate (Gem 100)

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