earliest

I've seen print ads from the '80's of an early Thumb 5 with unusual pickups. I've searched the forum for info but can't seem to find any. I'm looking for information on this / theese basses, with the hope of acquiring one. Any information would be appreciated. I'm not sure but I think the...

Thought I'd share this with fellow enthusiasts. This bass isn't a custom order, it is a production bass that came with a signed certificate identifying it as a limited edition, is it the earliest example of a Warwick Ltd Ed? Dated '89 and it does have an ebony board.