United Kingdom. A Royal Air Force First Pattern Cap, Attributed To 2Nd Lieutenant Robert Hunter Byrom certificate_of_authenticity surrounded by a broad blue

surrounded by a broad blue enameled ring of enamels

Footnote: this badge is listed in Pogacic/Barac book on Croatian WWII awards and Insignia as “unknown Ustasha arm badge

(1914-1918 issue

1) An Air Force Pilot badge constructed of sterling silver

showing minimal wear

United Kingdom. A Royal Air Force First Pattern Cap, Attributed To 2Nd Lieutenant Robert Hunter Byrom certificate_of_authenticity surrounded by a broad blueThis cap started out life as an Royal Naval Air Service cap and was subsequently used for early Royal Air Force duties. This fine quality peaked cap is fabricated from a khaki wool on the exterior, featuring the classic high peak. It has a 35 mm wide black band around its circumference, which supports the Royal Air Force insignia at the front. The insignia is composed of a gilt metal eagle, the open ended wreath and King's crown in silver and gold