From what you say ,, not used, I'd bet the cams don't work... those cam stacks get gummed from not being used,,
this happens inside, you can see this without removing the top cover ,, on craigslist,, there priced between 40 $ to 150$,, you might guess which don't sell...
I got my mom's 401 and gave it to another lady, just to see her smile,, Thats it's value