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 #941 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by eBay user shider92028 (USA); date is very approximate
Auctioned on eBay by eBay user shider92028 (USA)