Double Sided Porcelain Coca Cola 30 Sign. The item "Rare Coca Cola Lollipop Porcelain 30 Double Sided Sign 1950's" is in sale since Thursday, June 01, 2017. This item is in the category "Collectibles\Advertising\Soda\Coca-Cola\Signs". The seller is "carrington987" and is located in Studio City, California. This item can be shipped to United States.