6c Orange, 1918 Air Post (C1). Mint N.H., vivid color as fresh as the day it was printed, mathematically perfect centering with wide margins

EXTREMELY FINE GEM. THIS IS WITHOUT QUESTION ONE OF THE FINEST MINT NEVER-HINGED EXAMPLES OF THE 6-CENT ORANGE AIR POST ISSUE, SCOTT C1. THIS REMARKABLE STAMP IS GRADED GEM 100 BY P.S.E.

With copy of 1997 P.F. certificate for block of 16. With 2016 P.S.E. certificate (Gem 100; SMQ $5,000.00). Only one has graded higher and only one other shares this desirable grade.

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