Trying to Sell Guild Classic Guitar Mark III

New to this subreddit, admittedly know next to nothing about guitars however I was gifted a vintage Guild Mark III Classic Guitar a few years ago that I'm trying to figure out how to sell.

It was not taken the best care of by its original owner (a distant family member who has since passed) so it has some wear, and some warping in the neck that makes it hard to keep in tune. It still sounds amazing.

Hoping for any tips/possible interested parties. Hoping to sell it for as much as is reasonable, going through a challenging time financially at the moment.