You are looking at a plastic 1990 Great Taste Real Refreshment Coca Cola Coke 2-Sided Sign Never Used 

measures 11" by 8 1/4" wide. 1990 by the Coca-Cola Company and The Dynamic Ribbon Device are registered trademarks of the Coca-Cola Company is stamped on the bottom of  the sign see pictures. still has original paper on backing to cover other side see pictures.