4c Pan-American, Center Inverted, Specimen Ovpt. (296aS). Clear "Specimen" reading up at left, h.r., showing vertical guideline at left, tiny corner perf crease at bottom right

FINE APPEARING EXAMPLE OF THE 4-CENT PAN-AMERICAN INVERT WITH SPECIMEN OVERPRINT.

If the reported numbers are correct, a total of 203 4c Inverts were released, both with and without the overprint. An unknown quantity of the 4c Pan-American invert was overprinted with a small "Specimen" overprint. Some examples, both with and without the overprint, were given away by Third Asst. Postmaster General Edwin C. Madden. When postal authorities learned of the practice, they destroyed 194 copies and put one pane of 100 into the official archives. At a later date, 97 of these were traded for rarities missing from the archives.

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