Cast iron skillet heat ring vs smooth bottom
A heat ring is a raised ring on the bottom of the skillet, near the edge. The slant logo appears on both heat-ring and smooth-bottom skillets.
Values side by side
| Skillet | Heat ring | Smooth bottom |
|---|---|---|
| Griswold No. 3, Large block logo | $99.99 · last known | $56.00 · last known |
| Griswold No. 3, logo not stated | collecting | collecting |
| Griswold No. 5, Large block logo | collecting | collecting |
| Griswold No. 5, logo not stated | collecting | collecting |
| Griswold No. 7, Large block logo | $130.00 | collecting |
| Griswold No. 8, Large block logo | $130.00 | $86.88 |
| Griswold No. 8, logo not stated | collecting | collecting |
| Griswold No. 8, Slant logo | $112.95 | collecting |
| Griswold No. 9, Large block logo | $129.99 | collecting |
| Griswold No. 10, Large block logo | $216.51 | collecting |
| Griswold No. 10, logo not stated | collecting | collecting |
| Wagner No. 5, Sidney -O- | collecting | collecting |
| Wagner No. 5, logo not stated | collecting | collecting |
| Wagner No. 6, Sidney -O- | collecting | collecting |
| Wagner No. 7, logo not stated | collecting | collecting |
| Wagner No. 8, Sidney -O- | $64.95 | $65.00 |
| Wagner No. 8, logo not stated | collecting | collecting |
| Wagner No. 10, Sidney -O- | $140.00 | $50.00 · last known |
| Wagner No. 10, logo not stated | collecting | collecting |
| Wagner No. 12, logo not stated | collecting | collecting |
Heat ring: castironcollector.com, Griswold trademarks.