
Anglo-German system. Serial number 17583. Oval yellow paper label: 'J Wallis, patent concertina, 135 Euston Road, NW London.' 6.19" diameter flat thick mahogany ends with 'J' and 'W' worked into right-hand end, red leather backing. 21 keys: 10 each side + 1 air. Broad bone. Later leather straps with later screws. Five-fold leather bellows with gold star papers. Repairer's ink mark: 'Tamburro (B'ham) Nov. 1972' on action. Round-end brass reeds.