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 #169 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Auctioned on eBay by eBay user seger_hall (Japan)
Auctioned on eBay by eBay user dimeback-516 (Japan)