New York N.Y., 5c Black, Se-Tenant Pair, "ACM" and "AC M" Initials (9X1-9X1a). Positions 33-34, horizontal pair with the right stamp No. 9X1a, unused (no gum), large margins, faults including both stamps with sealed tears, right stamp also with diagonal crease

VERY FINE APPEARANCE. AN EXTREMELY RARE UNUSED PAIR OF THE NEW YORK POSTMASTER'S PROVISIONAL WITH A COMBINATION OF "ACM" AND "AC M" INITIALS.

This is the only unused example of this signature combination we have encountered. Ex Frelinghuysen. With 2012 P.F. certificate. Unpriced in Scott as unused combination pair. Scott Retail as used

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New York N.Y., 5c Black, "ACM" Initials (9X1). Position 13, unused (no gum), ample to huge margins, exceptionally fresh, Very Fine and choice, with 1983 P.F. certificate, Scott Retail as original gum

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New York N.Y., 5c Black, Without Signature (9X1e). Position 25, full margins all around, crisp impression, black ms. cancel, certificate notes lightened staining, Very Fine appearance, with 1991 P.F. certificate

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Providence R.I., 5c Gray Black (10X1). Position 1, original gum, large to huge margins including top left corner sheet margins, intense shade, Extremely Fine, with 2000 P.F. certificate

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