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 #621 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Auctioned on eBay by eBay user themises (USA)
Auctioned on eBay by eBay user fullshred1 (USA); at that time it has lots of removable stickers on it, and coloured pickup bobbin covers, all removable