Damn, I didn't think you were that much taller than me. Then again, we all rode with bigger frames back then, I think.
Looked up my bike on the interwebs, turns out it is holding decent value due to really nice Shimano components and a durable steel frame.
Cost me $230 new circa 1984, probably worth about that today.
Here's the identical bike, though my handle tapes are original white:
(Image removed from quote.)