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 #619 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Matt Z. (USA) from someone (USA)
Latest known owner Matt Z. (USA), who had it for sale on eBay with username quasi-barotropic