Yes... it's a treble pickup for a ~ late '68 to '71 4000/4001
Rickenbacker '64 & '68 4001 basses ♦ Fender Pre-CBS J & P Basses and 1968 Telecaster Bass ♦ Moog Taurus III Bass Pedals ♦ Hiwatt (Hylight) Amplification
"A good bassist determines the direction of any band."- Ron Carter