said by gbarb :I'm trying to find out what it's worth.
In its current condition, I don't think it's worth much. Once restored, maybe a few hundred, IF you can find the right buyer, which could be a challenge.
Those water stains might be a death sentence though if it actually soaked into the wood. If that's the case I don't think there's much that can be done, besides painting it (as opposed to stain or varnish, through which the stain will show).
said by gbarb :It will turn on but the volume knob is real sensitive.
Potentiometers will need to be cleaned. Cleaning products exist specifically for this purpose. Often called contact cleaner, tuner control cleaner, etc. You should be able to find some at Radio Shack or most other electronics parts/supply stores.
said by gbarb :The knob to change the channel sticks and wont move.
More than likely the grease/lubricant in the knob and the rest of the mechanism had turned to sticky gunk. Very common problem with things that old.
Turntable mechanism will likely also need to be cleaned and re-lubricated.
Capacitors may need to be replaced.
It's all (mostly) fixable with minimal expense, but you'll definitely need to put several hours work into it.