http://cgi.ebay.com/Gorgeous-4-string-Alembic-Bass-guitar-maple_W0QQitemZ140247309252QQihZ004QQcategoryZ4713QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

I have 92K7186, which looks exactly like this.  It is truly an amazing, sweet, deep, otherworldly instrument.  I believe I paid about $1800 for it on eBay and mine was covered with autographs and clear strapping tape.  
 
If you want an essential Alembic, this baby will melt your heart.
 
Michael