At this present time, I haven't a clue if this particular bass is still available for studio use.
Over the years, many big-time, famous bassists would specifically request this particular bass to record with. This bass has graced quite a few albums from many artists and groups that have sold in the millions.
Here's a couple hints for you:
(2)S.S. (The original owner's initials.)
Name the original owner and what brand the bass in question is.
Answer to come later