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 #238 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by John Simmons (UK) from Jerry Silva (USA)
Bought by Rene Rivera (USA) from someone (probable date)
Auctioned on eBay by eBay user toyattack.com (USA) (Rene Rivera); at that time the coil tap switch had been replaced
Latest known owner Rene Rivera (USA)