Large vintage porcelain Champion spark plugs sign, not a replica. The item "Vintage Champion Spark Plug Porcelain Sign Service Station Advertisement Gas Oil" is in sale since Saturday, June 23, 2018. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "worthmotors" and is located in Brooklyn, New York. This item can be shipped to United States.