134L1, Stringer & Morton's City Despatch, Baltimore, MD, 1850 1c Gold on Black, single tied by "Baltimore City Despatch & Express, Paid" handstamp on local circular, sound stamp (rare for this delicate issue), extremely fine, Steve Roth's census (Chronicle 173) states that this is the only example of the Stringer & Morton local used with a company handstamp, a wonderful local post rarity, 2022 Philatelic Foundation certificate (Scott $650 for uncancelled on cover, not priced tied)