This 24-cent stamp represents plate position 70 of the only sheet of 100 inverted Jennys sold by the Post Office Department. Because the bicolor stamp was printed from two printing plates (one for the carmine-colored stamp frame, one for the blue vignette), the error resulted from the misfeeding of sheets or the misorientation of one of the plates.
Scott Catalogue USA: C3a
Museum ID: 0.217665.1
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