Technically, the model number of your guitar is K-520R and it was made around 1987. Given that it was made in the late 80's, there is a high probability it was produced in Korea, but I really don't know for sure who Kay was using to source their guitars in 87.
You are right about value, it's not worth alot of money.
There is actually a PDF of the Kay catalog containing your guitar floating around on the net:
Statistics: Posted by VintAxe — Tue Feb 09, 2010 1:04 pm
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