This is an authentic Sinclair Opaline Motor Oil vintage advertisement signboard. Originated from India in the 1960s, this signboard was used extensively to sell motor oil for Sinclair. The signboard retains all of its original rust-free and hole-free hard enamel paint with no scratches or loss of paint. This signboard was used in India until it was removed from its post and preserved in a warehouse. To ensure a quality product that you will be proud to display in your home or office, please refer to the photographs as they are considered part of the description.