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 #347 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Adam Holmström (Sweden) from someone else in Sweden; at that time it had strap locks installed
Latest known owner Adam Holmström (Sweden)