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 #098 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Walter Pelzer (Germany) from an eBay seller (country unknown); date is approximate
Latest known owner Walter Pelzer (Germany)