Ribbon Bar, US Legion of Merit, Officer Grade excluded-retail only were required to have either

were required to have either entered an active theatre of war or to have left the United Kingdom for service overseas between 5 August 1914 and 11 November 1918

Miniature Medal with embroidered device

to members of the Women's Royal Naval Service

This miniature size medal comes loose and with 5 inches of quality ribbon (16mm wide)

Missions that are flown into a theatre of eligibility for a NATO medal (such as the Non-Article 5 NATO Medal for the Balkans) shall be counted toward the appropriate NATO mission medal and not toward the NATO bar

Ribbon Bar, US Legion of Merit, Officer Grade excluded-retail only were required to have eitherThe thin ribbon bar version includes built in mounting pins and butterfly clutches. When ordering different ribbon bars they will be mounted as one unit, unless specified when ordering. The Canadian Forces slide version of the ribbon bars require a ribbon mount, sold separately. Medal Mounting Supplies Defence Medals Canada