Got two of these pickups with a guitar I bought recently... both seem to be identical physically. They come in at a little more than 14k on the meter and the poles are HUGE, kinda like a Rio Grande Muy or something. No markings of any kind on them... they have white and black wires. They were installed for sure before 1995 so their at least that old... they are pretty heavy and don't look cheap, but who knows. Any ideas??