Singer Buttonhole Attachment w/ Instructions Templates Green Case 160506 Vintage

Vintage Singer buttonholer attachment set in original green Singer case. This is a complete set, including the Singer buttonholer attachment 160506, original metal templates, and accessories as shown.  Included in this set:  • Singer buttonholer attachment (marked 160506)  • Four original metal buttonhole templates:  – 3/8 Straight  – 1/2 Straight  – 5/8 Keyhole  – 15/16 Straight  • Original Singer green hard case  • Mounting plate  • Adjustment screw  • Original screwdriver  Attachment is marked U.S.A. 160506 COMPLETE with patent numbers visible. Templates show consistent age-appropriate patina and are original matching pieces. Case shows typical vintage wear but closes properly and displays well.  Item has not been tested on a sewing machine and is being sold as a vintage collectible sewing accessory.  All items are sold exactly as shown. Please review all photos as they are part of the description.  Country of origin: United States.