Don, it would almost be impossible to pinpoint an exact locality with having the info, but I think I might can narrow it way down for you.
As soon as I saw the pics I immediately said in my mind, "Hey, those look identical to west Mississippi locale!" I have seen and collected a few from Sharkey and Yazoo counties in the MS Delta. They have very prominent crossbands that never fade away, and the speckled pattern is very distinct and recognizable. I'd be willing to say those are MS locale. They are definitely east of the mighty MS River.