
Bass concertina. Batch number 258. Oval paper label: 'By Her Majesty's Letters Patent, C. Wheatstone, Inventor, 20 Conduit St., Regent St., London.' 8" air, 12" long, solid rosewood ends, bevelled, pine boards. Left-hand strap absent, right-hand strap damaged. Original green leather with nickel screws. Five-fold green leather bellows with gold star papers, four oval valves in lower front side of frame. Square-end brass reeds, the beds screwed onto base of action.