According to Edith Reiter's 2014 book, this instrument was completed on 3 January 1923 and originally sold to a buyer in an unknown location.
Howe & Hurd (2004) describe heckelphone #3759 as a model 36i.
As of 2020, this heckelphone is owned by a professional musician in Minnesota, USA, who is in the process of having it converted to a model 36 voll cons. The history of this instrument is largely unclear.