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| Superman #12 | ||
| DC Comics, 9-10/41 | ||
| Jerry Siegel story | Luthor appearance. | |
| Leo Nowak and John Sikela art | ||
| Fred Ray cover | ||
| Books | CGC Label | CGC Total | Avg. Grade | 10 | 9.9 | 9.8 | 9.6 | 9.4 | 9.2 | 9.0 | 8.5 | 8.0 | 7.5 | 7.0 | 6.5 | 6.0 | 5.5 | 5.0 | 4.5 | 4.0 | 3.5 | 3.0 | 2.5 | 2.0 | 1.8 | 1.5 | 1.0 | 0.5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 BOOK | Universal | 183 | 4.53 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 0.5% | 1 1.1% | 0 1.1% | 2 2.2% | 9 7.1% | 6 10.4% | 8 14.8% | 11 20.8% | 8 25.1% | 15 33.3% | 15 41.5% | 23 54% | 24 67% | 10 73% | 18 83% | 10 88% | 8 92% | 0 92% | 4 95% | 5 97% | 5 100% |
| 1 BOOK | Restored | 29 | 4.44 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 3.4% | 2 10.3% | 1 13.8% | 1 17.2% | 1 20.7% | 2 27.6% | 3 37.9% | 1 41.4% | 1 44.8% | 2 52% | 0 52% | 2 59% | 3 69% | 1 72% | 3 83% | 1 86% | 0 86% | 3 97% | 1 100% |
| 1 BOOK | Qualified | 5 | 4.40 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 2 60% | 0 60% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Superman #12 (1941, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 1% 1 9.4 | 1% 1 9.2 | 0% 0 9.0 | 1% 2 8.5 | 5% 9 8.0 | 3% 6 7.5 | 4% 8 7.0 | 6% 11 6.5 | 4% 8 6.0 | 8% 15 5.5 | 8% 15 5.0 | 13% 23 4.5 | 13% 24 4.0 | 5% 10 3.5 | 10% 18 3.0 | 5% 10 2.5 | 4% 8 2.0 | 0% 0 1.8 | 2% 4 1.5 | 3% 5 1.0 | 3% 5 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||