Identifying my Current 15 Inch Wheels - and thoughts about wheel replacements

The name Rader comes to mind

Just so you know,
it is possible to put 295/50-15s inside those Barracuda tubs, and lower the car to nearly whatever you want. Here's what I did;
1) I moved the springs inboard with the bolt-in kit;
2) I cut off the perches, set new ones on the springs
3) I had the rear narrowed to fit my favorite 10" kidney-slot alloy wheels that had a 4.5" backspace. There was exactly enough room to do all that and I don't think hardly a mm extra, lol.
4) I dropped the narrowed axle down on new perches, centered it between the inner tubs, set the spring spacing, set the pinion angle, and welded her in.
5) Nothing rubs no matter what.
6) with a little hammer work, I got 325/50-15s to fit in there, also on 10s. but I gotta slow down on the turns a lil.