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 #506 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by original owner Gerardo Aldape (USA) from a shop in Monterrey (Mexico)
Latest known owner Gerardo Aldape (USA)