
Anglo-German system. No serial number. Oval brass plaque soldered to action plate: 'FF Hess, patent metal concertina N.174,' with coat of arms and 'FFH' monogram. 6.56" diameter solid mahogany block ends, with sheet brass plate covering brass buttons and with exposed levers and pallets. 21 keys: 10 each side + 1 air, one piece domed brass buttons, levers and pallets. Left-hand strap and screw absent, right-hand strap black leather with brass screw, mounted on arched hand bars, the pallets beneath. Five-fold green leather bellows with gold star papers. Steel tongues riveted onto one-piece zinc reed plates.