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 #463 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Alexander (Russia) from a collector in St Petersburg (Russia)
Latest known owner Alexander (Russia); at that time it had a blend pot and an AirNorton pickup at the bridge