Order of Merit
- Order founded by King Edward VII on 26 June 1902.
- Order awarded to citizens of the United Kingdom and the Commonwealth for distinguished service in the armed forces, science, art, literature, or for the promotion of culture.
- Order awarded in two divisions: civil and military.
- There are four variations of the cross that differ in the reverse inscription according to the reigning monarch of the period.
- Members are entitled to use the post-nominal letters OM.