This is the Bluebird Bus wing used in the 1950s and into the 1960s.  Die struck in brass and gold plated.  3 1/8 inches across in size.  The motto "YOUR CHILDREN'S SAFETY IS OUR BUSINESS".  There is a bar suspended by two jump wings with "ARMUTH 63" engraved into the front side.  Maker marked on the reverse side "HERFF-JONES".  Pin back with a roll locking pin catch.