Below you will find an overview of the known dated events in this instrument's history. If you have any to add, please feel free to contact me.
Heartfield-related instrument #179 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought second-hand by Larry Kaye (Italy) from a local shop (Italy); date is approximate
Latest known owner Larry Kaye (Italy)