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 #508 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Carlos E. Paredes M. (Mexico) from Heartfield Forum member cannon2000 (Mexico); at the time, the knobs had been replaced
Latest known owner Carlos E. Paredes M. (Mexico)