Pilot Wings of SPA 15 know as the Hel- met of Bayard. The wing is 60mm wide and is almost a 1/2 ounce of silver. It has a brass pin and hallmarked 800. This squadron was established in 1912 at Reims and became MS15 on 4 April 1915, on 20 September 1915 they became N15 and SPA 15 in April 1917. A drawing of the pin can be found in French Military Aeronautical Branch Badges up to 1918 By Philippe Bartlett on page 77.