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 #774 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Tim (or Tom) Butler (USA) from someone (USA)
Auctioned on eBay by eBay user beanie520_0 (USA)