1c Blue, Ty. I (5). Position 7R1E, full margins to cut in at top, tied by "Wilmington Del. Sep. 5" circular datestamp on light gray printed notice from Wilmington Iron Works dated September 1, 1851, addressed to DuPont & Co. near Wilmington, stamp with light toning in area of portrait

A RARE EXAMPLE OF THE 1851 ONE-CENT TYPE I ON COVER, USED TO PAY THE CIRCULAR FEE RATE. THIS IS FROM A RECENT DISCOVERY.

The published census compiled by Jerome S. Wagshal contains at least 98 unduplicated records of Scott 5. There are probably no more than ten examples existing outside of the Wagshal census population. Therefore, the 1c 1851 Type I is the rarest of all United States stamps issued regularly prior to the 1868 Grills. An even smaller number were used on covers, and those used to pay the 1c circular fee are extremely rare.

With 2013 P.F. certificate

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