Vintage Goodyear Tires Porcelain Sign. This vintage porcelain sign is a neat piece of advertising memorabilia. It features the iconic Goodyear Tires logo and is designed for use in gas service stations. The sign is made of high-quality porcelain and is in good condition. The sign is perfect for collectors of gas and oil memorabilia, as well as people who need to fill their garage or shop. This sign will enhance your mancave, collection, shop, or garage. It is your chance to own a piece of Goodyear advertising. 12 inches in diameter. Vibrant colors and excellent porcelain.