Harley Davidson Motorcycles porcelain sign measures 11 3/4, features the iconic Harley Davidson logo at the bottom with the Harley skull in the center. At the top it says Harley-Davidson in large white lettering. 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. Check out my other porcelain advertising signs like Indian Motorcycles, Smoking Signs, Forest Fire Smokey the Bear Signs, or other Ford / Chevrolet Dealership pump plates! Vintage Harley Davidson Motorcycles porcelain sign. Harley Bar Shield logo. Bright colors w/ porcelain on both sides.