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 #393 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Auctioned on eBay by eBay user goldpawncitydavie2 (USA)
Auctioned on eBay by eBay user shion-san (USA); at that time a great deal of changes had been done to the hardware, most striking of which is various gold-coloured parts of the bridge