1960 AC Fire-Ring Spark Plugs Ad - Piercing proof of quality

This is a 1960 ad for a AC Fire-Ring Spark Plugs! The size of the ad is approximately 5x7.5inches. The caption for this ad is 'Piercing proof of quality' 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!