Baco, Charlene emailed me back and told me that she’s no longer a purveyor of silk ribbon
via u/uglybassface at https://www.reddit.com/r/typewriters/comments/1sxqe0c/comment/oirz52v/?context=1
Baco (Charlene) doesn't do silk typewriter ribbon anymore.
Baco Ribbons by [[Joe Van Cleave]]
Baco Ribbons makes ribbons in many sizes, colors, and materials. Contact Charlene Oesch, Baco Ribbon & Supply Co., 1521 Carman Road, Ballwin, MO 63021, 314-835-9300, fax 636-394-5475, e-mail bacoribbon@sbcglobal.net.