Hi Stef, Thanks for the reply. I had not seen it before so I thought I'd throw it out there to see if anyone else had something similar. Mine is a 1991 Classic. I'm sure it means something, but finding out what is likely not going to be so easy. Again, thanks. Now I know it was likely done in the factory.What do you mean?
Yes I have BDAY #3 in my bridge pickup cavity.
1991 PreHistoric Les Paul Jimmy Wallace model