Champion Spark Plugs National Airlines WWII Farm Equipment Print Ad 1945

Approx. 5 × 11 inches. Striking 1945 wartime print advertisement for Champion Spark Plugs, featuring a dramatic aviation-themed design tied to National Airlines and WWII-era aircraft reliability. The illustration visually connects aviation technology used in military and commercial flight to everyday farm, tractor, and automotive equipment—emphasizing durability, precision engineering, and wartime dependability. This ad is a strong example of World War II industrial advertising, blending patriotic messaging with practical applications in farming and mechanics. Aviation imagery, bold red accents, and the iconic Champion branding make this piece highly collectible for aviation enthusiasts, WWII historians, farm ephemera collectors, and industrial design fans. A compelling piece of mid-1940s American ephemera art, ideal for framing and display in a workshop, garage, office, or aviation-themed collection.