Thanks for all the support, guys. . . No news on this at all.
Although listing this here and other forums is helpful, it also shows when you do a search in Google. If the looters have any kind of brains, they will do a Google search as well to at least see what's the value of the instrument, and by doing that search, they may find all the postings about the stolen bass. . . meaning that they will probably not list it anywhere because they know it's wanted.
At the same time, I can do all kinds of global searches on Craigslist, eBay, etc., but I can't do searches of small pawnshops. Not all pawnshops do business online. Because the looter can potentially be from anywhere in the US, there really is no use in concentrating in the area where it was stolen. There is a policy report in the area and local pawnshops would see this if they receive the bass, but again, this bass could be anywhere in the country.
My prediction is that this bass will be destroyed or thrown away, or will sit in a warehouse or storage for years. We might see it pop up for sale in a few years.
Sad puppy face.