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 #131 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Auctioned on eBay by eBay user kingamericana (USA); at that time it had a white acrylic sticker "binding" effect
Auctioned on eBay by eBay user srafter (USA) (twice)
Auctioned on eBay by eBay user srafter (USA)