Vintage Original AC Spark Plugs Tin Advertising Sign. This sign would display well.It has some scratches, minor paint wear and a creased area. It measures 9" x 17 3/4". The item "Vintage Original AC Spark Plugs Tin Advertising Sign" is in sale since Wednesday, October 30, 2019. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "itsstilloutthere" and is located in Auburn, Indiana. This item can be shipped to United States.