M21 M22 The sign is 12″ x 12 1/2″ in diameter. Please see the pictures as they show exactly what you will receive and any imperfections. Please feel free to ask questions. Great for garage, man cave, game room, bar and many other uses. This vintage porcelain sign is a great addition to any collection. The sign features the brand name “US ROUTE 66 Missouri AZ”. It is an original piece and perfect for those interested in gas and oil memorabilia. The sign is made in the United States and is a type of advertising for gas service stations.