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 #963 produced at the FujiGen Gakki factory in Hirooka, Nagano, Japan
Bought NOS by original owner Bob Willocks (USA) from Sam Ash, New York (USA); date is approximate
Latest known owner Bob Willocks (USA)