Bidspirit auction | National Benzole Mixture Enamel Advertising

National Benzole Mixture Enamel Advertising Sign - A double-sided enamel advertising sign featuring the profile of Mercury in a winged helmet. The central graphic is set against a black ground, encircled by a broad orange border with black block lettering reading National Benzole Mixture. The sign retains a high surface gloss throughout. 30 inches diameter.