
English system. Serial number 50267. Oval paper label: 'Lachenal & Co., Patent Concertina Manufacturer, London.' 11.88" long x 8.31" AF [across front?] raised ebonised silver topped nickel, 1 absent left-hand, 3 brass replacements right-hand. Right-hand straps later, left-hand straps absent, screws absent. Eight-fold thick black leather bellows with 3 valve holes on each lower fold. Steel tongues, some loaded, on brass frames screwed onto separate chambers of various tuned sizes on the underside of the action.