SST. It is maker's marked "The American Art Works." A c. 1920s Coca-Cola self-framed tin lithograph sign with outstanding early image. CONDITION: The sign has significant surface staining throughout. There are very minor areas of paint loss and surface scratching. The outer edge of the piece has minor blemishes, as well as staining and minor paint loss. Condition: (7). Dimensions: 10 - 1/2" x 7 - 1/2".