Rockola made stocks and sent them to IP very early { WB1 }. A few years back I bought a RMC sling well marked I cut H/W stock, but no sign of a car touche. I wanted to use it for a early Rockola action I had so I stripped the stock multiple times with Frombys furniture re finisher and a soft tooth brush but still nothing on the car touche. I gave up and gave it 4 coats of RLO and put the Rockola Action in it and put in my safe for storage. Close to 4 months later I got it out and there it was a faint boxed S'G' and CC. I still have it and it now holds my earliest IP. Your stock just may have been shipped to IP and then later accepted by S'G' people , we will never know for sure.

Man you got a hell of a deal !!! Want to double your monies ??? LOL Best Chris