Sorry to hijack this post.
I used to own a Japanese Fender Jazz Bass Special too, ala Duff’s model, mine had the selector switch, Black hardware, headstock & neck, with a Black body.
I believe it was the original version, as far as I can remember, mine was purchased in 86.
The model for sale on this thread came out slightly after, with a sleeker body shape, different pick ups & tuning posts.
Duff had changed out the original pickups for Seymour Duncan’s