D4GDF 1935 Deutschland

Hans Klotz operating from Berlin in 1935, with the following SWL identification and calls: DE1074F, D4BPA, D4ALC, D4BDF in 1933, D4GDF in 1935.
He participated as D4BDF in the SP DX contest 1933.

QSL from the estate of G6YL
K8CX Collection
Callsign info courtesy of K6EE
Callbook info, name and signature, courtesy of Norbert Maibaum