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 #4400 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Edmundo Guillen (Peru) from someone in New Jersey (USA); date is just a total guess
Latest known owner Edmundo Guillen (Peru)