Original vintage fuel type and volume indicator plates, used in petrol stations, industrial fuel tanks or machinery. The lot consists of 11 pieces, including fuel types: Diesel, Gasolie, Super, Normaal and 2-Takt, as well as capacity indicators ranging from 4.000 L to 40.000 L. Made of enamelled metal and early bakelite, with original mounting holes. The typography, colours and materials are characteristic of mid-20th-century Dutch industrial design. All plates show authentic age-related wear and patina. No modern reproductions. Highly decorative and collectible petroliana items, ideal for collectors, workshops, garages or industrial interiors.