Cumming's City Post, 1844, 2¢ black on green. Margins clear to just in at upper right, small creases, canceled by red handstamp on 1847 folded letter sheet to Detroit, Mich., red "New York, 10cts, Sep 20" integral rate cds, Very Fine, a very rare usage of the black on green Cumming's City Post stamp on cover, ex Ackerman; with 2009 P.F. certificate. Scott No. 55L2  $2,500. $0 (Image)