Help ID a Gibson ES-125

[deacon Mark]

This guitar belong to the late archtop maker Bill Hollenbeck. His daughter called me today and found this guitar of his she did not realize he had. It is a Gibson Es 125 and he wrote a note on the case he added a stereo pickup circuit to the guitar. This to me makes sense with the extra toggle switch.

I get some more pics but this is what I have so far. Not sure of year, 50s?

[floatingpickup]

That thing on the upper bout looks like it could be a pot, rather than a toggle switch. Looks like there is an extra tuner on the headstock as well.
Keith

[sgosnell]

I don't know what any of that is. There are only 6 tuner buttons, but certainly something added on the headstock. I can't tell anything definitive from that photo. The thing on the upper bass bout looks sort of like a push-push switch, but I wouldn't put any money on anything. I would like clear photos of the back of the headstock and of the inside of the body. As for the year, I also wouldn't put money on any particular year. I'm far from an expert on Gibsons.

[Hammertone]

The knob placement suggests that this started out as a one-pickup guitar and was converted to a double pickup guitar.