SST. It is maker's marked "AM-23." A nice example of this single-sided tin embossed Coca-Cola 6-pack sign, featuring a large king size 6-pack graphic with heavily embossed bottles. CONDITION: This sign remains exceptionally clean, with no significant damage in the field. The outer edges show only the lightest amount of paint loss and scuffing, as well as the mounting holes show minor wear from hanging. The worst damage on the sign is along the bottom-right, where there are two or three minor areas of paint loss. Condition: (9). Dimensions: 30" X 36"