Mobiloil 'D'

A little damaged in the bottom corners and top middle, but vintage nonetheless. Porcelain, most likely. Mobil Oil sign. This small square sign is 12" by 12" and has the illustration of a motorcycle rider on it. The sign is black, red, and white. The text on the sign reads “Gargoyle Mobiloil D Recommended for all motor Cycle Engines, Vacuum Oil Company, LTD.”