18th / 19th / 20th / 21st University & Public Schools Service Battalions Royal Fusiliers Kitchener's Army

A very rare silver and enamel mufti lapel badge with pin to reverse. Hallmarked JF Birmingham 1914. Raised in September 1914 at Epsom as 98th Brigade. 18th, 19th, & 21st were disbanded in France in 1916. 20th was disbanded in February 1918