Turkish Half Moon "Gallipoli Star" (Eiserner Halbmond/Gallipoli Stern). The award was known as the Ottoman War Medal (Turkish: Harp Madalyası) or the Iron Crescent (Eiserner Halbmond). It was instituted by the Sultan Mehmed Reshad V on 1 March 1915 for gallantry in battle. This decoration was awarded for the duration of World War I. It features a five-pointed red enamelled star with a raised crescent design, inside the crescent is the tughra (cipher of the Sultan). The star is nicely maker marked with 'BB&Co'. It's complete with its functional pin/catch system, the hinge and pin are a period replacement, see photos. The details on this star are simply stunning. Nice original star in good used condition!