Griswold #13 Skillet P/N #720 with heat ring. Very nice exterior and interior. This pan is warped and it takes a penny and a dime on each side to balance it.See pictures for details and description. The item "Griswold #13 Skillet P/N #720" is in sale since Sunday, September 15, 2019. This item is in the category "Collectibles\Kitchen & Home\Kitchenware\Cookware\Cast Iron". The seller is "dpregler1" and is located in New London, Minnesota. This item can be shipped to United States.