Rare Porcelain Coca Cola Thermometer. A super hard to find Porcelain Coca Cola Thermometer in excellent condition with nice color and shine with only some minor dings and scratches to the porcelain and a small bend on edge.... They don't come up for sale very offen. Create listings that get noticed! With Auctiva's 1,800+ Templates.The item "Rare Porcelain Coca Cola Thermometer" is in sale since Tuesday, April 19, 2016. This item is in the category "Collectibles\Advertising\Soda\Coca-Cola\Thermometers". The seller is "nantiques" and is located in Hazleton, Pennsylvania. This item can be shipped worldwide.