This vintage Style Sinclair Opaline Motor Oil porcelain sign is a perfect addition to any collection of advertising memorabilia. Measuring 40cm x 25.5cm, it features multi-color design with a gas & oil theme, making it a great fit for any man cave or garage. All our signs are made with high-quality material for both indoor and outdoor use, ensuring that they will last for years to come. This item is a must-have for any collector or enthusiast of vintage advertising.