Karl's death aged 73 was registered in the Apr-May-Jun quarter of 1941 in St. Marylebone.[1]
Sources
↑Death Registration:
"England & Wales General Register Office", database,
GRO Online Indexes - Death (accessed 13 January 2024),
Hahn, Karl (Age at death: 73).
GRO Reference: 1941 Apr-May-Jun in St. Marylebone Volume 01A Page 745.