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it is a genuine usage on cover to Rockville, Ct., faintly cancelled, with a Monroe City, ? Mar 25 c.d.s. to the right - the stamp with a 0.7 mm tear at the bottom right and minor soiling specks, the cover with a pencil March 31, 1866 received notation on the back.
it is a genuine usage on cover paying the circular rate to Providence, R.I. and tied by a black segmented cork cancel - with the original circular enclosure of an 1874 insect journal published in Cambridge, Mass..
it is a genuine usage on cover to New York City, tied by a black segmented cork cancel with a matching Rockville, Ct. Sep 10 (1879) c.d.s. - the cover with a New York Sep 11 receiving marking on the back, a blue New York Post Office, Sep 16, Advertised, Due 1 cent marking on the front, a Scott No. J1 with the New York blue string of pearls precancel on the back, a New York, Oct 21, 1879 Dead Letter Office marking on the back and with a tear at the top right corner extending down along the right side.
it is a genuine unused, o.g., previously hinged, bottom margin Plate No. 3263 and Imprint block of six, with small thins in all but the bottom right stamp and vertical perf separations up to the numeral 2 at the bottom right.
it is a genuine unused, o.g., never hinged, upper right corner margin Plate No. 21688 block of ten, with a tiny piece of the selvage missing at the top left, a tiny thin in the top left stamp and a tiny thin in the bottom left stamp.