Originally Posted by
Macybaby
Serial number is helpful -you can look it up on ISMACS and it will tell you what model machine the number was allocated to.
However, it looks like a 201 without the potted motor.
I think it's a 201 also. The plate under the spool pin is one of the give aways. I think it's called the "spool pin boss". Also the relatively straight line of the inside of the pillar.