This vintage casserole pan/pot by Guardian Service is a two-piece set that includes a lid with a heart triangle shape. The pan is made of heavy aluminum and is compatible with both electric and gas stoves. It features a flat-bottomed design with double handles and is dishwasher safe for easy cleaning. The silver pan is the Triangle Heart model and was manufactured in the United States between 1920 and 1949. It is perfect for roasting and comes with a set of instructions. This antique piece of cookware is a great addition to any collection and is perfect for those who love vintage items. Please look at pictures for more details. We will package securely and ship promptly.