http://www.elderly.com/vintage/cats/55U.html

There's also a nice 1975 series-II fretless for sale on that site

here are the pic's

 

did we ever find out what the deal with that series II's electronics are?

Matthew; I just looked back at most of the previous threads on this bass, and while the conjecture was that this bass has two superfilter circuits in it, I don't think it was ever confirmed.