I've just replied to your post in the Facebook group, but I wouldn't trust that those are genuine BKP at all. One baseplate is missing mounting screws and the other isn't drilled for a double screw-pole pickup, so it's been taken off another one.
It really looks like someone's at the very least disassembled some Bare Knuckles and reused the baseplates, or had them rewound or repaired... email Bare Knuckle directly, get their view, and then use that as evidence in a dispute with the seller if you can.
