Singer 1960s Buttonholer Attachment and similar items

Singer 1960s Buttonholer Attachment w/Templates Needles This item is pre-owned and is missing the 1/2" and the 1 1/2". Please see photos for what you see is what you will receive. Vintage 1960s Singer low?shank buttonholer sewing machine attachment with mid?century styling, complete with 3/8" straight, 5/8" keyhole (x2), 13/16" straight, 15/16", two 1 1/16" buttonhole templates and a 5/8" keyhole cam, plus two Singer Premium Ball Point size 14 needles and one additional Singer needle. Pre?owned, untested sewing attachment sold as found, ideal for use with compatible vintage Singer machines or as a collectible MCM accessory. Item Specifics: Brand: Singer Item: Buttonholer / Button Holer sewing machine attachment Era: 1960s MCM (mid?century modern) design? Machine Type: For low?shank Singer sewing machines (e.g., many 15, 66, 99, 201, 221 Featherweight, etc.).? Included templates (cams): 3/8" straight buttonhole 5/8" keyhole (two identical templates) 15/16" straight Two 1 1/16" templates 13/16" straight Two 1 1/16" templates Other included items: 2 Singer Premium Ball Point needles, size 14 (yellow band style) 1 additional Singer needle, size unknown? Buttonholer mechanism (and case/plate/screws if you have them; list specifically) Condition: Pre?owned; untested by seller. Note any cosmetic wear, writing on case, or missing pieces compared with a full set SHELF: 1 AP