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 #583 produced at the FujiGen Gakki factory in Hirooka, Nagano, Japan
Bought by original owner Erik Saari (USA) from the Sound Post in Skokie, IL (USA); date is approximate
Latest known owner Erik Saari (USA); at that time the yellow colour was rather faded