All About Pocket Knives

Trying to Identify this knife...My parents have it and I can't seem to find any info on it...

Thanks for your help...

from levines. goins. w. bingham co. was a hardware wholesaler in cleveland ohio from 1841-1948. imported from germany and also had knives made by ulster with bbb, or bingham's best brand, xlcr, etched blades.

very nice little knife.

Thank You very much...So much knowledge on this site...Thanks again...