Original old retail gasoline trade magazine vintage ad for D-X SUNRAY OIL COMPANY of Tulsa, OK.  Boron, Great New Scientific Discovery in Motor Fuel.  Division of Mid-Continent. TV show Jack London's Capt. David Grief, forecast to be one of the top dramatic shows of the year.  Advertising program is the largest in D-X's 30 years including dramatic newspaper ads, highway boards. This unique old 1957 service station advertisement would display beautifully matted and framed.