Sinclair Motor Oils Porcelain Enamel Sign 24 X 10 Inches 1 sides. In case of Double side, during Manufacturing process, some points / mild Scratch / Dots may be found at other side, as it happens in the process of firing to product in Furnace it is (unavoidable) Front side of product is perfect and other side of product may have some mild scratch. This is a great advertising piece. Colors bright and crisp. NOTE-Wear and tear present. Chips, marks and scratches visible.