I CURRENTLY OWN A 1992 FIREBLADE WHICH I HAD FOR 6 YEARS.IT IS COMPLEATLY STANDARD WITH NO AFTER MARKET ACCESSORYS.IT IS IN IMMACULATE CONDITION WITH ORIGINAL BATTLAX BT 50´s.it has only 5560 miles on the clock.due to change in circumstances i need to sell it.how much is it worth.?