DOUBLE STRUCK SOLID COPPER WITH VERY STURDY ANTIQUE SILVER FINISH SOLDERED PIN BACK APPROXIMATELY 2 1/4 ' X 2 "THESE ARE THE GOOD ONES - BEWARE OF SIMILIAR LOOKING CHEAP KNOCKOFFSNEAT ITEM!  PER AMAZON POLICY,THIS IS A REPRODUCTION OF AN OBSOLETE BADGE WHICH IS AT LEAST 75 YEARS OLD AND CARRIES NO AUTHORITY