Mack Trucks porcelain sign features the Mack Truck Bulldog. Measuring 12 1/4″ x 8″, this porcelain gas sign has a Dog shape and is perfect for collectors of gas and oil memorabilia. It’s a great addition to any collection of advertising or vintage sign decor. Whether you are displaying as part of your collection in your man cave, game room, shop, bar, or garage, or giving it as a gift, you can also browse my other auctions for more gas, oil, aviation, automobile, motorcycle, and hunting signs. Bright colors w/ porcelain on both sides.