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| Superman #20 | ||
| DC Comics, 1-2/43 | ||
| Jerry Siegel story | Puzzler appearance. | |
| Ed Dobrotka and John Sikela art | Half page ad for Boy Commandos #1 | |
| Jack Burnley 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 | 172 | 5.09 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 4 2.3% | 2 3.5% | 6 7.0% | 6 10.5% | 8 15.1% | 9 20.3% | 11 26.7% | 6 30.2% | 20 41.9% | 11 48.3% | 10 54% | 18 65% | 13 72% | 9 77% | 4 80% | 11 86% | 6 90% | 4 92% | 5 95% | 3 97% | 6 100% |
| 1 BOOK | Restored | 20 | 4.17 | 0 0.00% | 0 0.00% | 0 0.0% | 1 5.0% | 0 5.0% | 0 5.0% | 0 5.0% | 0 5.0% | 0 5.0% | 1 10.0% | 3 25.0% | 0 25.0% | 1 30.0% | 0 30.0% | 1 35.0% | 2 45.0% | 3 60% | 1 65% | 1 70% | 0 70% | 1 75% | 1 80% | 1 85% | 0 85% | 3 100% |
| 1 BOOK | Qualified | 2 | 4.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Superman #20 (1943, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 2% 4 9.4 | 1% 2 9.2 | 3% 6 9.0 | 3% 6 8.5 | 5% 8 8.0 | 5% 9 7.5 | 6% 11 7.0 | 3% 6 6.5 | 12% 20 6.0 | 6% 11 5.5 | 6% 10 5.0 | 10% 18 4.5 | 8% 13 4.0 | 5% 9 3.5 | 2% 4 3.0 | 6% 11 2.5 | 3% 6 2.0 | 2% 4 1.8 | 3% 5 1.5 | 2% 3 1.0 | 3% 6 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||