I have an early 1988 Traveller and while I haven’t been riding in on a regular basis, do find it an enjoyable bike to ride. Perhaps I’ll put it in the “rotation” for the upcoming riding season 😎. I bought mine for $100 or $125 (can’t remember for sure) when it was about 10 years old. It needed a “fluff & buff” but was in overall great condition. For a near pristine 1985 Traveller, I don’t think that $175 in out of line. RE: potential for a stuck seat post, while the possibility is real, I’m not sure that it would be a deal breaker for me. Once I got it home, I’d be very careful (and patient) in removing the seat post so as not to end up with a scarred post. Lots of tips and tricks here and on the internet for doing so.
Nice bike! Would like to read more about the seat post status in future replies.