This card looks to be from the 40's or 50's, but I was unable to determine the age.
Gulf Oil was a major global oil company from the 1900s to the 1980s. The eighth-largest American manufacturing company in 1941 and the ninth-largest in 1979, Gulf Oil was one of the so-called Seven Sisters oil companies. Gulf Oil Corporation (GOC) ceased to exist as an independent company in 1985, when it merged with Standard Oil of California.