The Castrol Oil Company
Advertisements
Castrol was a prime sponsor of the Shelby American team back in the day, and produced quite a nice collection of print advertisements celebrating that effort. Most of the ads featured Watercolor paintings of the Shelby American vehicles.
click on one of the titles listed below to see the ad:

• 3 Cobras at Riverside

• World Champion Daytona Coupes

• Ken Miles and his cars

• A Castrol Daytona Coupe Poster