London LMS Trooping The ColourOriginal vintage poster issued by LMS London Midland Scottish railway featuring artwork by the painter and poster artist Christopher Clark (1875 1942) with the title London by LMS Trooping the Colour Whitehall below the ceremonial scene depicting Royal Guards in uniform on their horses with the mounted Band of the Household Cavalry playing music on their instruments in the foreground and flags flying on the historic building in the distance. The