Vintage Psychiatric Ward Porcelain Sign. This vintage porcelain sign is a must-have for any boat engine collector or enthusiast of Outboard Motors. Measuring 12″ x 7 1/2″, this sign features porcelain on both sides and showcases the iconic Warning sign. It’s the perfect addition to any man cave or decor for a marine gas pump. This sign is a great piece of advertising memorabilia for anyone interested in gas and oil themes. Its vintage design and featured refinements make it a unique and valuable addition to any collection. This sign will enhance your Harley display, man-cave, collection, shop, or garage. It is your chance to own a piece of Evinrude Outboard Motors advertising. Please Enter with Caution. 12″ by 7 1/2″. Vibrant colors and excellent porcelain.