Bartell was a Riverside, California-based maker of guitars and basses, founded by Paul Barth and Ted Peckels.
Musicologists Kenny Jenkins, of Leeds Beckett University and Richard Perks, University of Kent, have expressed the opinion that the fretless was used on "Happiness Is a Warm Gun" and "Helter Skelter", with Perks also suggesting its use on Savoy Truffle.
The guitar was then given to its current owner, session musician Ray Russell, while recording the film Water.
[4] Despite the higher valuation, the guitar was sold by Bonhams at an October 2020 auction for £237,562 (including buyer's premium).
[4][7] John Paul Jones of Led Zeppelin played a Hohner-branded Bartell fretless bass during the band's 1972 Australian tour.