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 #992 produced at the FujiGen Gakki factory in Hirooka, Nagano, Japan
Bought by second owner, eBay user mountain4x4 (USA); date is approximate
Auctioned on eBay by second owner, eBay user mountain4x4 (USA)