Hi Barb, no expert, but I spent a year looking for the just right for me Japanese 15 clone (based on the Singer 15 model)
There are about 1000 (or more!) names on them. sounds like one to me.
Although it could be a Kenmore or Brother or whatever badge and the trusew is the model style?
Some one who knows more than me will be along before long.
A photo would be nice. The 15's and 15 clones have the tension knob on the left face plate rather than on the front above the needle.