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EXTREMELY FINE GEM. THIS MAGNIFICENT STAMP HAS BEEN GRADED GEM 100 BY P.S.E.
With 2007 P.S.E. certificate (Gem 100, unpriced in SMQ above the grade of 98, SMQ $800.00 as 98). This is the highest grade awarded to date and the only example to achieve this grade. (Image)
THE ONLY KNOWN PLATE NUMBER BLOCK OF THIS RARE DOUBLE IMPRESSION.
This remarkable plate block comes from the George Brett estate. As far as we can determine, only one sheet of the 20c Perf 11 double impression reached collectors, with the doubling along the right side, which would make this plate block unique.
Scott Retail for the errors as hinged singles is $4,830.00 (Image)