ah yes, John Kallas...his venture into bassmaking yielded some spectacular instruments, with mega-tone for days....please refer to these links, this first of which was the exact link from which I bought the bass- SOLD - John Kallas Jazzmaster Bass and this next one goes into detail about the instrument itself.... Jazzmaster-Bass the one I am offering is the Mary Kay white one-to the best of my knowledge, only three were ever made... I will ship in a lightly used but sturdy LEATHER gig bag- the real deal... Lester