Chevrolet porcelain sign features the Chevrolet Service Bow-Tie Sign. The porcelain service sign features a vibrant dark blue color scheme that will add a pop of color to any garage or man cave. 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. Chevrolet Service Bow Tie. 14 inches by 5 inches. Bright colors w/ porcelain on both sides.