Ribbon: Royal blue with a central band of scattered gold mimosa blossoms.
The ribbon for the military division has gold borders.
Instituted: 14 February 1975.
Awarded: For achievement and merit in service to Australia or humanity.
Grades: Companion, Officer and Member, plus Medal; in 2 Divisions, General and Military. The additional grade of Knight or Dame was awarded between 1976 and 1986.
Post-nominal letters: Knight - AK; Dame - AD.
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| Sovereign's Badge | Knight's Badge | Dame's Badge |
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