1) Is your data plate stamped "BS?"
2) What's the serial number?
3) Does the cabinet have (A) a decal, or does it have (B) a bead routed into the front panel?
You're welcome to answer via PM or here in this thread. Please include your full name if you'd like to be acknowledged in a future published article.
You may also send photos if you wish - I'm always happy to see BS Graphophones!
Sincere thanks in advance,
George P.