12c on 6c Offices in China (K6). Mint N.H., vibrant color as fresh as the day it was printed, gorgeous centering with wide margins, long and full perforations

EXTREMELY FINE GEM. THIS STUNNING MINT NEVER-HINGED EXAMPLE OF THE 12-CENT ON 6-CENT OFFICES IN CHINA HAS BEEN AWARDED THE GRADE OF SUPERB 98 BY P.S.E. -- THIS IS THE HIGHEST GRADE AWARDED TO DATE.

With 2009 P.S.E. certificate (Superb 98; SMQ $2,900.00). This is the highest grade awarded to date and only two others share this desirable grade.

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