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 #144 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Richard Karsmakers (NL) from an American seller
Bought by John Simmons (UK) from Richard Karsmakers (NL)