Shell alkaline X-100 motor oil Ad 1951.
Shell alkaline X-100 motor oil Ad 1951. Ad was published 6/51. Color ad of engine being attacked by a creature representing acid. Ad emphasizes Shell X-100 neutralizes acids and reduces engine wear by 90%. Ad in excellent condition. Photo is taken through plastic and may show wrinkles or crookedness that is not in the ad. This magazine tear sheet measures 10 5/16 wide by 13 3/16 tall.
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