its a 59 neck pup but its possible that the magnet is flipped compared to normal. fender had those made for some HH guitars with a pearly gates + in the bridge so you could get humcancelling with some different split coil options ala prs.
there are lots of bridge pups that will match up well with it depending on what tones you are going after and what guitar you put it in. the magnet is easy to flip back if that becomes necessary