That's what I was thinking - looks more like the LoZ guitar control plate vs bass. Notice also complete lack of pickup mode (winding tap) selector switch. That's, like, the best feature of the bass (OK, tied with the passive bass and treble controls).
Look at the pics of the control cavity though - definitely looks like some work was done in there (to reinfoce screw holes too close to the edge ( or pup mods, or more wiring in the pup routes that we can't see) and also to make room for what looks like a volume pot).... and the switch does appear to be for Hi/Lo Z, the transformer is taped/insulated to it (LOL, not in a good way) - looks like it turns the appropriate jack on/off (which is an arrangement silly enough for me to believe Gibson came up with it; there is precident in the Lo Z series for that jack arrangement as well IIRC). The weird thing is that I can't tell where the pups connect to that mess. With the 8 (differently coloured) wires per you'd think you could spot that from across the room (read as - I do not even vouch for the pups in this girl being actual Gibson Bass Lo Z pups - I'd say that they might be the guitar version but those are noticeably smaller.... maybe the leads are permanently wired to one of the taps and only 2 of 8 are sent to the control cavity... or they kept the pup covers but there's something else underneath).
Basically, since this mod is so horribly expensive/difficult and ill advised, I am not sure Gibson didn't do this (the main thing is the pups; last run didn't bother with the taps maybe to save costs?... also the control plate - the engraved labeling is a pain/insanely costly to have done as a one-off) but even if so I find this specimen unremarkable except from the point of view of a rabid completist collector (notice I didn't spell that with a K) - a fine example of Gibson's downward spiral into their bottom in the 80s. It may be that this is a bit of both situation (Gibson folly and aftermarket mods).
