4c Pan-American, Center Inverted, Specimen Ovpt. (296aS). Remarkably well-centered, h.r., bright colors, neat blue "Specimen" at top right, thin spot at right, two tiny tears at bottom, reperfed at top

VERY 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 was released, both with and without the overprint. An unknown quantity of the 4c Pan-American invert was overprinted with a small "Specimen" overprint.

With 2007 P.F. certificate

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