Vintage Dodge Brothers Porcelain Sign. This vintage porcelain sign features the iconic Dodge Brothers “DB” design, making it a must-have for any automobile or Gasoline enthusiast. Measuring 11 3/4 in size, it’s perfect for displaying on a wall or as part of a collection. The sign’s colors light blue and dark blue make it eye-catching and visually appealing. As a gas service pump sign, it’s a unique piece of advertising memorabilia that captures the essence of the automotive industry. Porcelain on both sides. Bright colors for excellent display.