Land Rover Part number: 217589 
Application: Morgan 3 Wheelers, Aston Martin DB2, Land Rover Series 1 1948 to 1953. 
Genuine Lucas PLC5 switch. 
Combined key on/off ignition & off/side/head lamp switch Screw terminal connections to rear. 
Supplied with 2 keys and mounting clip.  
Approx 56mm diameter (requires 53mm hole in metal dash panel). Off/side/head positions are printed on the black face panel. 
See my other listings for a comprehensive range of Series and Defender decals, badges, switches, gauges, lights etc 
 Thanks for looking!