REGENCY DROP DIAL CLOCK
Regency mahogany drop dial wall clock with brass inlay, cast brass bezel and painted dial with Roman numerals signed James Duncan, Old Bond Street, London.
Eight day fusee movement with anchor escapement and shaped plates. C. 1825
Watchmakers and clockmakers of the world by Brian Loomes lists James Duncan as working in Old Bond Street, London from 1824 to 1860.