For sale is what I believe to be a Reece Model 31 Pocket Welt or Buttonholer machine. I have never come across a Reece PB (piped buttonhole) machine. Looking at the photos of your machine you have two needles with a knife in the center. This is a typical set up of a pocket welt machine or as I said earlier a piped buttonhole which I believe would operate the same.
If you are able provide more info on this machine, I would greatly appreciate it. This is a heavy duty industrial / commercial machine.
This machine was just released from a knitting mill that recently seized operations. The machine could use a little cleaning and should be gone over before using.
Picture 2 has the info on the data plate. Thanks for looking and please take a moment to check out my other listings for more equipment and vintage items! This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Textile & Apparel Equipment\Industrial Sewing Machines". The seller is "antikiwakawakawiki" and is located in this country: US. This item can be shipped to United States.