
Concertina. Anglo-German system. No serial number, no label. 5.88" x 9.44" diameter, in a five-sided shape. Flat rosewood veneer ends with nickel edge binding, square fret hole under hand bar, with metal grille backing. Numbers 1-10 stamped adjacent to each set of buttons. 40 keys in four groups of ten, one air valve rod is absent, brass tipped wood, glued to levers. No straps. Nine-fold leather cloth bellows in two groups of 4 folds with central broad one and blue flowered papers. Reeds riveted to single reed plates. This instrument is 'double-ended': the instrument can be inverted to bring new rows of buttons under the fingers, thus enabling a different key to be played.