Vintage Singer Model W 654321 N Sewing Accessory w/ Green Case Beautiful

Great for vintage photo studio props or for use with vintage Singer machines. In gorgeous shape one white scuffs mark on the back as shown in photos. Case closes and opens as it should. Has a few loose piece attachments included. This is a vintage Singer Buttonholer sewing machine attachment. It is designed to create buttonholes and is compatible with various low-shank Singer sewing machines, such as the 15, 66, 99, 201, and 221 Featherweight models. * This model is identified as a Singer Buttonholer, with the number "W 654321 N" visible on the side. * The attachment works by moving the fabric back and forth to create a zig-zag stitch, which forms the buttonhole.