Hey thanks guys! I wondered if the wires on the cheek piece meant anything regionally also. Or maybe they did that everywhere? I think it may have remnants of a signature but I doubt any hope of making anything of it.
As for the patchbox cavity, there is no wood at the butt plate end. I attached a photo. There is a primitve release slide button on the butt plate. It used to have a short toe plate that was rectangular, with the same inside radii as on the patchbox finial but the end of the finial was just a circle unlike the patchbox finial.
Traces of a carved edge remain along the bottom of the butt and it extends up and along the underside of the wrist behind the trigger plate. In the one photo you can see that this line is not worn on the stock as it wraps beneath the wrist in front of the rear portion of the trigger guard. Maybe this line originally emphasized the separate radius for the underside of the butt from that of the undersde of the wrist. I don’t know if this was a regional thing either.
The wrist is 1-1/2 inch wide x 1-9/16 high.
Breech is a touch over an inch.
Pull is about 13-1/4
Buttplate is 4-5/8 high.
Ramrod pipes (upper) are about 1-7/16 long
The missing patchbox lid tapered from about 1.10 inch wide at the hinge to 1.30 inch at the butt plate.
Missing toe plate was about 1-3/4 long.