Vintage Wrigley Porcelain Sign. This vintage porcelain sign is a must-have for any collector or enthusiast of Wrigley. Measuring 14 inches across, by 5 1/4 inches tall, this sign features porcelain on both sides and showcases the iconic Wrigley’s Spearmint and doublemint chewing gum. This sign is a great piece of advertising memorabilia for anyone interested in movie theater or candy themes. This sign will enhance your mancave, collection, shop, or garage. It is your chance to own a piece of Chewing Gum advertising. 14″ by 5 1/4″. Vibrant colors and excellent porcelain.