This is a 1940 ad for a Sinclair Oil with Norman Marsh! The size of the ad is approximately 4x11inches. The caption for this ad is 'Norman Marsh, famous cartoonist and creator of theÉ cartoon detective, Dan Dunn, flies his own plane many thousands of miles every year' The ad is in good overall condition, with some light wear. This vintage ad would look great framed and displayed! Add it to your collection today!