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| Justice League of America #42 | ||
| DC Comics, 2/66 | ||
| Gardner Fox story | Metamorpho appearance. | |
| Mike Sekowsky and Bernard Sachs art | ||
| Mike Sekowsky, Murphy Anderson 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 | 112 | 7.90 | 0 0.00% | 0 0.00% | 3 2.7% | 6 8.0% | 18 24.1% | 15 37.5% | 11 47.3% | 14 60% | 4 63% | 9 71% | 8 79% | 4 82% | 3 85% | 3 88% | 4 91% | 3 94% | 3 96% | 0 96% | 3 99% | 0 99% | 0 99% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 9.00 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 1 | 8.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 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% | 0 100% | 0 100% | 0 100% | 0 100% |
| Justice League of America #42 (1966, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 3% 3 9.8 | 5% 6 9.6 | 16% 18 9.4 | 13% 15 9.2 | 10% 11 9.0 | 13% 14 8.5 | 4% 4 8.0 | 8% 9 7.5 | 7% 8 7.0 | 4% 4 6.5 | 3% 3 6.0 | 3% 3 5.5 | 4% 4 5.0 | 3% 3 4.5 | 3% 3 4.0 | 0% 0 3.5 | 3% 3 3.0 | 0% 0 2.5 | 0% 0 2.0 | 1% 1 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||