NADA is saying $7,155 $9,415 , Kelly BB $9395 for the Vegas 8 Ball
$7,360 $9,685 , $9520 for the Kingpin 8 Ball
These prices are for the midwest area. They may be different in your area.
This is a good starting point, then think about the mods. Give it a good cleaning before you start showing. ebay might get you a little more if you can put up with the pros & cons , no pun intended.