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 #114 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Mathias Winther Madsen (Denmark) from someone in Copenhagen (Denmark)
Latest known owner Mathias Winther Madsen (Denmark)