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 #039 produced at the FujiGen Gakki factory in Hirooka, Nagano, Japan
Bought by original owner Ray Dieneman (USA) from Sam Ash in Huntington, NY (USA)
Latest known owner Ray Dieneman (USA); at that time the preamp was upgraded to a Bartolini 2 band