10, 1920 with Griswold in a cross. The bottom of the oven says, The Griswold Mfg. Co, Cast Iron Tite-top Dutch Oven, Erie PA USA with Griswold inside a circle inside a cross. 1920 at the very bottom is 563.Trivet also says The Griswold Mfg Co TRIVET Erie PA USA and I believe the number at the bottom is 573 or 523 I'm not sure of the middle number. The hook is for hanging over the fire. The pot is approximately 5 1/2"wide including the handles and 2" without the lid. The bail on the pot is original, and the trivet fits well inside. Please look at all of the photos, they are part of the description. The item "Griswold Salesman's Sample" is in sale since Saturday, June 13, 2020. This item is in the category "Collectibles\Kitchen & Home\Kitchenware\Cookware\Cast Iron". The seller is "happymazey" and is located in Tucson, Arizona. This item can be shipped to United States.