Medallion Bakeware by CorningWare. A promotional pattern in the 1970s for Shell Oil Company, the Medallion bakeware collection featured a medallion in a choice of blue or green. Microwave, oven and dishwasher safe, this retired collection was a stand alone collection that did not coordinate with a particular dinnerware pattern. The item “VERY RARE Pattern Vintage Corning Ware 1970s Medallion Not sold in stores” is in sale since Tuesday, January 7, 2020. This item is in the category “Pottery & Glass\Glass\Glassware\Kitchen Glassware\Corning Ware, Corelle”. The seller is “intuit04″ and is located in Columbia, South Carolina. This item can be shipped to United States.