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 #929 produced at the FujiGen Gakki factory in Hirooka, Nagano, Japan
Bought by Nayn Rodsu (Mexico) from the original owner (USA); date is approximate
Latest known owner Nayn Rodsu (Mexico)