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 #551 produced at the FujiGen Gakki factory in Hirooka, Nagano, Japan
Bought from the original owner (USA) by someone else (USA)
Bought by Michael Long, California (USA) from someone else, California (USA)
Latest known owner Michael L. Long (USA)