British Army Ceremonial British RailwaysOriginal vintage British Railways poster featuring the British Army Ceremonial by the late Christopher Clark RI from a painting executed in 1932 The Ceremony of Trooping the Colour by the Brigade of Guards on the Horse Guards Parade in London on the occasion of the Sovereign's Official Birthday depicting the Royal Guards in uniform on their horses on parade with the mounted Band of the Household Cavalry playing music on their instruments in the