Cumming's City Post, 1844, 2¢ black on rose. Margins clear to just in, manuscript canceled with ink splashes tying stamp on 1846 folded letter sheet to Catskill, N.Y., red oval "Cumming's Express, 2 Ct." locomotive handstamp and red "New York, 5cts, Nov 14" cds, Very Fine, a very rare example of the Cumming's City Post Black on Rose stamp used on cover, approximately six genuine on covers usages known, Ex Chapman, Hollowbush, Golden and Kuphal; signed G. Sloane, with 1999 P.F. certificate. Scott No. 55L1; $5,000  Estimate $2,500 - 3,500. $0 (Image)