Side opening door to wind up the movement with the original key, The style of this antique music box is perfect for collectors and enthusiasts who appreciate historical items. This 19th Century 8 airs Walnut Swiss cylinder music box, the marquetry inlaid lid with strung decoration, opening to the brass cylinder and one-piece comb (stamped Nicole Freres). Walnut veneered case with satinwood stringing. Fully working order superb quality.