Whether you are a collector of fine antiques or just a cook who enjoys the best in cast-iron cookware, the Griswold name is an important one. If you have a Griswold skillet in your pantry, it could be worth a great deal of money. As with other types of antiques, both the age and the condition of a Griswold skillet play a big role in its value.
Turn the skillet over and look for the Griswold mark on the bottom. Griswold placed their mark on the bottom of their cast-iron skillets.
Locate the city of manufacture listed on the bottom of the Griswold skillet. Some of the oldest and most sought after Griswold skillets simply have the city name Erie listed on the bottom, without an accompanying manufacturer name. If you have a Griswold skillet stamped Erie, that means that Griswold manufactured it between 1865 and 1909.
Check the bottom of the skillet for the image of a spider whose body is comprised of a skillet. Griswold used this design from 1874 through 1905. The edge of the skillet shows the word "Erie" in large letters, while the center contains a logo comprised of a spider in a web.
Examine the center of the skillet bottom for a diamond shape with the word Erie inside it. Griswold used this design for its logo from 1884 through 1909.
Look for an apostrophe in the Griswold logo. If you find Griswold spelled Griswold's, you have a skillet that was manufactured between 1884 and 1912.
Examine the bottom of the skillet for the Griswold logo inside a cross. Griswold used this logo design from 1897 through 1957.