VINTAGE ENAMEL SIGN – WAKEFIELD CASTROL MOTOR OIL. Size 30 by 20. Some rust spots as expected but a beautiful shine to this sign! Edges are intact and all screw holes are good and useable! See photos for quality and condition. Lovely collectable Vintage sign! The item “VINTAGE ENAMEL SIGN WAKEFIELD CASTROL MOTOR OIL” is in sale since Sunday, January 5, 2020. This item is in the category “Collectables\Advertising Collectables\Advertising Signs”. The seller is “masm7936″ and is located in Alresford. This item can be shipped to United Kingdom.