U.S. Mail, New York N.Y., 1c Black on Yellow, Buff Glazed (6LB10, 6LB11). Former tied by pencil on March 1851 folded letter, file crease thru stamp, latter tied by pencil and red "New-York 5 cts. 12 Mar." integral-rate circular datestamp on mourning cover to Fairfield Pa., Very Fine
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E. 150-200