good to know if you are buying or selling a T, GN or GNX
http://www.nadaguides.com/uv/select...=12&wPr=1&wPg=2030&ct=14&mk=1031&yr=1987&da=0
http://www.nadaguides.com/uv/select...=12&wPr=1&wPg=2030&ct=14&mk=1031&yr=1987&da=0