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 #156 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by István Szolnoki (Hungary) from Ivan Romero, Kinnelon, NJ (USA)
Latest known owner István Szolnoki (Hungary)