Hank Williams Jr & Johnny Cash How Much is This Worth?

Hank Williams Jr, Johnny Cash, Signature, autograph, record allbum, collectible, how much is this worth?

A couple of weeks ago I was asked to look at a woman's collectibles. While going through her house, I found this Hank Williams Jr album. What's so special about it you ask?

Hank Williams Jr, Johnny Cash, Signature, autograph, record allbum, collectible, how much is this worth?

This Hank Williams Jr album is full of "Johnny Cash" songs… and well…

Hank Williams Jr, Johnny Cash, Signature, autograph, record allbum, collectible, how much is this worth?

Johnny Cash signed the album on the front AND on the back… how cool is that?

Hank Williams Jr, Johnny Cash, Signature, autograph, record allbum, collectible, how much is this worth?

I've tried to do a little research.. do you have any idea if this is worth anything?