Amateur Radio QSL Transmitting Radio Station Club. My ref: QSL - E box.
QSL Amateur Radio Card Spain
QSL Amateur Radio Card Germany
QSL Amateur Radio Card England
QSL Amateur Radio Congo Belge OQ5DE Eugene Urbain Undated 1940s - E565
QSL Amateur Radio France F8IO Jacques Bourdin Lille 1939 – E48 Cinderella stamp
QSL Amateur Radio NY4BA 1948 W A Arthur Lt CDR USN - E144
