take off the neck, that will most likeyl have the date of when it was fully assembled, i know mine is oct13 96.
no matter what year they are from or anything they are all stil worth about the same it seems that they have been jumoing in price so you could get about 600.00 for it if you just had the guitar and a gig bag, if its minty minty with a hardshell case and you make a remark about the kurts, then you could get like 700.00 or maybe a lil bit more.