I would try a local sale like Craigslist for that one as shipping would be pretty expensive and I doubt you would get much interest from a collector. There is a market for 80's mtb's but it seems to be limited to the higher end ones.
if it's a chromoly frame, it could be a decent bike for drop bars and conversion into a retro gravel grinder.
lots of people out there looking for something vintage like this with canti brakes. if the hubs/wheels match and are in good shape, you might have something really nice on your hands. just be sure to take drive-side pics in the great outdoors, avoiding direct sunlight. marketing is everything.
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