1960s Singer Smooth and Even Feed Sewing Machine Foot C-400 Model

Vintage Smooth & Even Feed attachment for Singer 'slant shank' class machines. Style C-400 Includes photocopy instructions. I had an original and copied the instructions. "New to Poshmark, if you do not have an account, you can create a free account and use coupon code DASCH1 to receive $15.00 off your first Poshmark purchase".