Vintage Porcelain Washington Gas Pump Sign. This vintage porcelain sign features the iconic American Indian Gas Pump Plate Service logo of the Washington Gasoline brand. The sign is in vibrant red and blue colors and is perfect for collectors of gas and oil memorabilia or anyone who appreciates vintage advertising. The sign is made of porcelain and measures 11 3/4 across. The sign is perfect for those looking to add a unique touch to their home decor or for those who are passionate about vintage advertising. The featured refinements of the sign include the porcelain material and the iconic American Indian Gas Pump Plate Service logo. This sign is a true collectible and a must-have for any collector of gas and oil memorabilia. This sign will enhance your mancave, collection, shop, or garage. It is your chance to own a piece of Washington advertising. Vintage Washington Gasoline porcelain sign. Native American Indian Chief. 11 3/4 inches in diameter. Vibrant colors and excellent porcelain.