This is a vintage Sears Kenmore Buttonholer with attachments all original.
CD-1
Comes inside it's own box complete with the plate, screw and four metal templates as follows:
1.- 13/16
1.- 1 1/6
1.- 5/16
1.- 5/8
Hallmarked on the bottom. Made by GREIST
U.S. Patent No. 2482607.