This enamel on metal sign is a rare find for collectors of marine and antique items. With a maker that is unknown, it carries an air of mystery and intrigue. The sign dates back to the inter-war period of the United Kingdom, specifically to 1931, and was used as a boat mooring license plate sign for the Thames Conservancy. This antique original is a unique piece of history that would make a great addition to any collection. It is a unit type item with only one available, making it a must-have for enthusiasts of maritime and antique items. Don't miss out on the opportunity to own a piece of the past with this enamel boat sign plaque.