de Havilland Propellers Motor Club Car badge. A rare mid century car badge that will appeal to automotive and aviation collectors alike. The De Havilland Propellers Motor Club was a 1950s and 1960s social and sports club for the employees of de Havilland Propellers Ltd. de Havilland Propellers was established in 1935 as a division of the de Havilland Aircraft company. Length 9.7cm.