Singer Buttonholer Sewing Machine Attachment 1960 In Green Case Vintage Retro

Vintage Singer buttonholer sewing machine attachment from the 1960s in the iconic green clamshell/torpedo-style storage case. Includes the Singer buttonholer attachment, interchangeable buttonhole templates/cams shown, and original Singer instruction booklet. A great piece of vintage sewing equipment for use, replacement, display, or a Singer collection.  Please review photos closely for included pieces and cosmetic condition. Untested by me.  Measurements:  Clamshell case is 11 x 5 x 3 inches.  Condition: Pre-owned vintage condition with normal age-related cosmetic wear. Appears to have all of the pices included except for one of the templates. Please see photos for everything included.  Keywords: Singer buttonholer, vintage Singer, 1960s sewing, green clamshell case, torpedo case, sewing machine attachment, buttonhole attachment, Singer accessories, vintage sewing notions, retro sewing room, mid century sewing, Singer sewing machine