The "Cleveland Kings and Queens" refers to a popular promotional collectable series featuring 16 miniature plastic busts of British monarchs, issued by Cleveland Petrol in the UK. Customers received these white or cream-colored, roughly -inch busts with fuel purchases. A "castle" display stand and informational booklet accompanied the set. Key Details of the Promotion Era: Early 1970s (approx. 1971–1973), often referred to as "Kings and Queens who Made Britain Great". Figures: The collection often included figures like King Charles I, Richard III, Henry II, and Elizabeth I. Appearance: Unpainted, detailed busts with rectangular bases designed to fit into a special, often fragile, castle-shaped stand