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 #111 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Greg Younker (USA); date is approximate
Bought by Heartfield Forum member mig11 (USA) from Greg Younker (USA)