Hi, I am restoring a 1960 Slab board Precision bass. Other than the original finish that was covered in house paint, the bass is complete and original except the ground wire has been replaced. I would like to put it back to the original (or period correct looking) wire I simply am looking for a source of either NOS wire or vintage correct cloth wiring. Where can I find it? Sorry if this is a silly question. I find myself in place I haven't been before. Thanks.