I'd need to see better photos but you have one thing going for you already (or against you) in that if you're to sell it, the best place is a southern border state (though If you're buying, the competition is fierce). These things are wildly popular with the Mexican/Mexican-American crowd and in that case command more money than a .38 Super in general, and a pimped one in particular will get elsewhere in the country.
As far as a number - better photos for condition and quality are really needed and greater explanation of your physical impressions of the pistol as well.
Also, a very good photo of a fired factory loaded case could provide insight as well.