Hi Joann, the black Singer is a 201-3, as evidenced by the body style and the fact that the light is on the non-user side. As you may know, the 201-3 is not so common here in the 'States (if that's where you are) and is desirable because it is easily converted to treadle.
- Rain
Vintage Singer Sewing Machine Blog
http://vssmb.blogspot.com/