It’s made so you and your wife can shoot pool simultaneously. You hold one handle while she holds the other. It helps with the friendship of the relationship.
It could be anything as they were sold by various brands. Adam , Mizerak, cobra, just to name a few. The joint area may be different with each brand, so if is not marked , the joint might hold the key
Silver Fox cues started by Larry Brengman. I believe the logo on the cues were very similar to the logo on the case. The silver dot mentioned by the other poster was an upgrade cost