Yes, it's worth something.  Asking prices on CL (from a quick google search) seem to be all over the place.  If I were selling one, I might start out asking $500 and reducing the price in periodic increments if needed.
(This rather straightforward question seemed to gather an inordinate number of semi-related non-answers!  Since nothing was asked about it, I will not bore everyone with my lifetime experiences to date with various kinds of fridges....)