http://www.ebay.com/itm/1997-Alembic-Mark-King-Signature-Deluxe-5-String-Bass-/280729596624?pt=Guitar&hash=item415cc9b2d0
 
no affiliation. looks like mark signed it.

The old logos for MK and SC basses had signatures on the headstock. Very nice instrument that looks to be un-customized from the factory.
 
Take $2k off the price and it would be interesting. It is a dealer, though, and they like profit.  
 
-bob