In the Funky Monks documentary about the making of Blood Sugar Sex Magik, what is the bass Flea is playing with the huge square headstock?

http://i133.photobucket.com/albums/q75/curtismayhem/vlcsnap-4811548.png

I do believe that is a Wal Mach II

http://walbasses.homestead.com/files/walnut4b.jpg

I think you're right. Thanks. Great video btw.