HDX / ER School Bus,
Mounted on pendant sized lanyard. Could be a Bolo Tie (Blast from the Past)
1-1/2 x 1-1/16 inch. 38mm SIZE OF BADGE
Enameled in four colors
Badge is stamped with recesses
Color inlaid for high definition
Can be removed from lanyard and attched to hat, jacket etc with two small safety pins.