Thanks for the photo. That is an EMG pre-amp, obviously not the original Ken Smith one.
So what you have here is a modified Ken Smith Burner which was also refinished in a unique way. There are traces of the original black paint on the cavity surroundings. You could say the pickups & pre-amp are actually upgrades. I have the same bass in red, 100% original and I bet this one sounds better. However, I'm not sure about the bridge as the original, all brass, is excellent. GLWTS.