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 #165 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought used from music shop Aage Jensen, Aarhus (Denmark) by Ben Thillerup (Australia)
Latest known owner Ben Thillerup (Denmark)