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 #035 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Jeff Jasinski (Australia) from Rockinn Subiaco (Australia); date could be a decade off
Given to his son by Jeff Jasinski (Australia); date is a wild ballpark figure
Latest known owner Jeff Jasinski's son (Australia)