Silent Chief Gasoline porcelain sign features the iconic Native American Indian Chief. This sign has excellent large lettering and porcelain. The sign measures 5 7/8 inches across. Whether you are displaying this sign as part of your collection in your man cave, shop, bar, or garage, or giving it as a gift, you can also browse my other auctions for more vintage gas, oil, aviation, automobile, motorcycle, and hunting signs. 5 7/8 inches in diameter. Bright colors w/ porcelain on both sides.