uncancelled single on folded cover to Philadelphia, red "Roche's City Dispatch" in circle, bluish "Wilmington Del May 10" datestamp and matching "5" rate, stamp with pre-use vertical crease at right, the cover with a vertical file fold, one of six genuine recorded covers, three of which are cut rectangular, the majority of information about this short-lived local post can be found in Pat Paragraphs (reprint pages 459-60) and Stephen L. Gronowski's illustrated census in the Penny Post (July 1995), signed George B. Sloane, 2022 Philatelic Foundation certificate (Scott $8,250)
Provenance: David Golden (R.A. Siegel Sale 817, 1999) 
D.K. Collection (Siegel Sale 862, 2003)