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 #386 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan
Bought by Jakub "Kuba" Ponikiewski (Poland) from Michal Konior (Poland); previously owned by Michal Kuczera and Andrzej Osiak, ownership change dated unknown
Latest known owner Jakub "Kuba" Ponikiewski (Poland)