Indian Motorcycles porcelain sign features Indian Motorcycles advertising for The Spirit of Freedom with the Indian skull in the center. The sign measures 11 3/4 in size and has porcelain on both sides. 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. Bright colors w/ porcelain on both sides.