50c Carmine, Trans-Pacific, Air Post (C22). Mint N.H. wide top plate no. F21625 block of six, brilliant color, choice centering, minor natural gum bends

EXTREMELY FINE. AN EXTREMELY RARE MINT NEVER-HINGED WIDE TOP PLATE BLOCK OF THE 50-CENT CLIPPER ISSUE.

Advanced collectors of U.S. plate blocks understand that this issue is far rarer as a wide top Mint N.H. plate block than even the $2.60 Graf Zeppelin. There are perhaps 10 or fewer Mint N.H. examples extant.

With 2018 P.F. certificate. The Scott Catalogue notes "wide full selvage top margin plate blocks of No. C22 are extremely scarce and sell for $3,000.00 or more" (versus $85.00 price for regular plate block)

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