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 #051 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Roman Lastovetzkij (Russia) from another Russian
Latest known owner Roman Lastovetzkij (Russia); in the mean time the frets had been replaced