K unz Gold Medal Oils. Uber rare 30 Double sided porcelain. All original, no touch ups, strong graphics and colors. Dont come by these just everyday! The bracket is not original to the sign but it is old and a great way to display this super rare sign.The item "Kunz Gold Medal Oil 30 Porcelain" is in sale since Thursday, February 28, 2019. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "wisconsinbeersigns" and is located in Montello, Wisconsin. This item can be shipped to United States.