Need pics of; the trunk floor, under front carpet, frame where torsion bars attach and where rear springs attach front and rear, bottom of rear window and cowl area below the front window with leaves removed. Those are the usual rust areas.
Looks worth restoring to me for a driver. Not too desirable of body style, but it has all the windows and trim and not been crashed and metal is not rusted through, clean it up remove carpet, pressure wash and it should sell on EBay for 3-5k, hood and motor/trans would be worth $1000 alone.
Should have put RR title in your name when given to you, probably got offered too much money for it.