29c New York Stock Exchange Bicentennial, Center Inverted, Omitted (2630b, 2630c). Mint N.H. block of four with selvage at left with ordering information on Stock Exchange Print, brilliant colors, choice centering

EXTREMELY FINE. THIS IS THE TRULY UNIQUE MINT NEVER-HINGED BLOCK OF THE 29-CENT STOCK EXCHANGE ISSUE CONTAINING TWO STAMPS WITH CENTER OMITTED AND TWO WITH CENTER INVERTED AND THE PRINT INFORMATION IN THE SELVAGE. ONE OF THE FEW REMAINING BLOCKS CONTAINING BOTH OF THESE MAJOR ERRORS.

Two panes in total were discovered. This block comes from the second to be discovered. Each pane consists of 40 stamps, and of these 28 were with the centers inverted and 12 were with the centers completely omitted. The panes are from different positions on the sheet. The other pane, with print ordering information at right, contains four examples of the invert and none with center omitted.

With 2006 P.S.E. certificate. The center omitted variety is unlisted in Scott but is more than twice as rare as the invert. The two inverts in this block catalogue $52,000.00.

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