London, late 18th/early 19th century, single shot, 9 in., octagonal to round, steel barrel, marked "Clark Holborn London", with British, Spanish proof-marks, walnut stock, ramrod, steel trigger guard, plate, lock, plate, marked "Clark", all with finely carved classical military decoration, acorn finial, silver escutcheon (no monogram), checkered grip

good condition working mechanism, typical minor surface flaws, abrasions at wood, especially near cock, probably later ramrod, corrosion and rust at metal elements