Scott,
Hard without pictures, and also - How badly does he want to sell the machine ? To me it sounds like a project game that needs work, and it sounds like it has a poor backglass.
Beautiful machine ;
http://www.ipdb.org/showpic.pl?id=2466&picno=21555I've never seen one - but I'd be looking at it with $500 in mind and work up or down accordingly.
