Croton Mills N.Y. Printed Circular.
Blue on blue printed circular headed "Croton Flour Mills, New-York, March 17, 1851" from Hecker & Brothers, imprinted "stamp" on address panel, unaddressed but apparently delivered since it has receipt docketing, Very Fine, scarce (accompanying article states three known, but there are more), ex Konwiser and Hahn, with 2014 P.F. certificate
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