55L4, Cummings' City Post, New York, NY, 1844 2c Black on Green, single cut to octagon shape, red cancel, on local cover, light strike of red "Cumming's Express Post" oval handstamp, cover with vertical creases and light overall wear, still fine and very rare, 2022 Philatelic Foundation certificate (Scott $750 for used, not priced on cover) Provenance: Philipp von Ferrary (Gilbert Sale 4, 1922)