12c Black (17). Phenomenally huge margins all around including parts of seven adjoining stamps, deep shade and clear impression, grid cancel

EXTREMELY FINE GEM. THIS MAGNIFICENT STAMP IS GRADED GEM 100 JUMBO BY P.S.E., WHICH IS THE HIGHEST GRADE POSSIBLE. WITHOUT QUESTION THIS IS ONE OF THE FINEST USED SINGLES OF THE 12-CENT 1851 ISSUE EXTANT.

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.

Ex Mayer (as a pair) and Kirke. With 1981, 2004 P.F. and 2008 P.S.E. certificates as a pair, this the left stamp. With 2009 P.S.E. certificate (Gem 100 Jumbo; unpriced in SMQ above the grade of 100, SMQ $6,450.00 as 100). Only two others have achieved the Gem 100 Jumbo grade, which is the highest grade possible. There are no Gem 100 examples without the Jumbo appellation.

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