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| Weird Science #20 | ||
| E.C. Comics, 7-8/53 | ||
| Bill Gaines and Al Feldstein stories | Ray Bradbury adaptation. | |
| Williamson, Frazetta, Orlando and | Atomic explosion panels. | |
| Kamen art, Wally Wood cover and art | ||
| 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 | 140 | 5.22 | 0 0.00% | 0 0.00% | 2 1.4% | 7 6.4% | 1 7.1% | 2 8.6% | 1 9.3% | 5 12.9% | 3 15.0% | 7 20.0% | 6 24.3% | 12 32.9% | 14 42.9% | 7 47.9% | 8 54% | 8 59% | 17 71% | 10 79% | 13 88% | 2 89% | 4 92% | 4 95% | 2 96% | 3 99% | 2 100% |
| 1 BOOK | Restored | 8 | 5.19 | 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 12.5% | 0 12.5% | 1 25.0% | 1 37.5% | 1 50% | 0 50% | 0 50% | 0 50% | 1 63% | 2 88% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 1 | 6.00 | 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% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 1 | 5.50 | 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% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Weird Science #20 (1953, E.C. Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 1% 2 9.8 | 5% 7 9.6 | 1% 1 9.4 | 1% 2 9.2 | 1% 1 9.0 | 4% 5 8.5 | 2% 3 8.0 | 5% 7 7.5 | 4% 6 7.0 | 9% 12 6.5 | 10% 14 6.0 | 5% 7 5.5 | 6% 8 5.0 | 6% 8 4.5 | 12% 17 4.0 | 7% 10 3.5 | 9% 13 3.0 | 1% 2 2.5 | 3% 4 2.0 | 3% 4 1.8 | 1% 2 1.5 | 2% 3 1.0 | 1% 2 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||