UNTESTED -  AS IS AS SEEN 

SWITCH IS IN GOOD USED CONDITION WITH NORMAL USAGE WEAR AND AGE, SWITCH CLICKS WELL AND MOVES TO THE ON/OFF POSITIONS AS INTENDED, HAS STAINING , SCUFFS/SCRATCHES, NORMAL CHIPPING AROUND THE EDGES 

MAKER - LEVITON

VINTAGE ON/OFF SWITCH

LOOKS TO BE FROM THE 1920S-1930S

2 1/16" DIA.

BAKELITE SWITCH / KNOB , PORCELAIN BASE 

MADE IN USA

THANK YOU.  feel free to message me with any questions.