Hi All, a friend has a Warwick Flashback 4 string fretless probably made 1996. It has the lipstick pickups.

This seems to be quite an unusual model, can find 5 string models but zero info on a 4 string fretless seems available. He has been trying to find any info on this inc approx value.
Any one here know anything about these?
Thanks in advance.
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It really doesn't matter what is written on the headstock. If you like it, you'll play it.