http://cgi.ebay.com/Alembic-Custom-4-string-Bass-Guitar-mint_W0QQitemZ230339065232QQcmdZViewItemQQptZGuitar?hash=item230339065232&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A3%7C39%3A1%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50

I remember the FTC, or at least some discussion about it.    It was ordered like that.  Unusual, for sure.

That's one of Adams' customs and is being discussed here, where there is also a link to the FTC thread.