Commemorative Cross of the 1916–1918 War exterior and 7 mm on the interior. In the center of the cross, there is a 13 mm circle. The external borders of the cross and the circle have 1.3 mm. Inside the circle, on the obverse, there is the royal cypher of King Ferdinand I of Romania (two "F"s facing away with a royal crown on top), while on the reverse there is inscribed "1916"|"1918" on the early models and "1916"|"1919" on later models, in two rows. The 30 mm ribbon alternates four equal bars of dark blue with three equal bars of green. Seventeen clasps were approved for
Air Force Medal the Air Force Cross (AFC), which was awarded to commissioned officers and Warrant Officers, although the latter could also be awarded the AFM. It ranked below the AFC in order of precedence, between the Distinguished Flying Medal and the Queen's Gallantry Medal. Although the new award was announced in the London Gazette on 3 June 1918, the actual Royal Warrants were not published in the London Gazette until 5 December 1919. A bar, worn on the ribbon, could be awarded to recognise a second award of the Air Force Medal. Recipients are entitled to use the post-nominal letters "AFM". The