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 #500 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Eric Jones (USA), probably from the original owner; date is approximate
Offered for sale on Criagslist by Eric Jones (USA)