Singer Sewing Machine Buttonhole Attachment with Box and Instructions

Description

Vintage Singer buttonhole attachment in original box. This buttonholer is compatible with low shank models such as the 15, 66, 99, 127, 128, 201, 221 / 222K Featherweight, etc. This set includes the #121795 buttonholer, throat plate cover, thumb screw and original instructions. Very good vintage condition with minor signs of age, clean & rust free. Please note that the original manual will display wear. Original, genuine Simanco attachment.

I believe this to be complete but it is old.  Please look at the pictures to see what is included.