10c Pale Ultramarine, Special Delivery (E10). Mint N.H., wide margins and mathematically centered, fresh, lovely pastel color

EXTREMELY FINE GEM. ONE OF THE FINEST KNOWN MINT NEVER-HINGED EXAMPLES OF THE 1916 PERF 10 UNWATERMARKED SPECIAL DELIVERY ISSUE.

With 2010 P.S.E. certificate (Superb 98; SMQ $3,750.00). This is one of only three to have achieved this highly desirable grade with just three higher

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