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 #944 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Boiught by Andy Kemmer (Germany) from eBay user toristreasures_14 (USA)
Latest known owner Any Kemmer (Germany); in th mean time the electronics have been replaced, the pickups are now Nordstrand