Those knives are somewhat rare. If you try to clean it as you describe, you will ruin any collector value.
Dremels and knives do not mix!
I would contact Buck and see if they will polish it for you for a small fee.
http://www.buckknives.com/index.cfm?event=company.contactIn good shape, a Buck 107 with the original sheath (also in good shape) can be worth about a hundred bucks.