![]() |

| Justice League of America #30 | ||
| DC Comics, 9/64 | ||
| Gardner Fox story | Justice Society of America & | |
| Mike Sekowsky & Bernard Sachs art | Crime Syndicate appearance. | |
| 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 | 275 | 6.91 | 0 0.00% | 0 0.00% | 1 0.4% | 6 2.5% | 12 6.9% | 17 13.1% | 20 20.4% | 26 29.8% | 29 40.4% | 29 51% | 22 59% | 21 67% | 16 72% | 9 76% | 21 83% | 17 89% | 13 94% | 5 96% | 4 97% | 3 99% | 1 99% | 1 99% | 1 100% | 0 100% | 1 100% |
| 1 BOOK | Restored | 7 | 7.36 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 14.3% | 4 71% | 0 71% | 0 71% | 0 71% | 1 86% | 0 86% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 3 | 8.50 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 33.3% | 1 67% | 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 #30 (1964, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 1 9.8 | 2% 6 9.6 | 4% 12 9.4 | 6% 17 9.2 | 7% 20 9.0 | 9% 26 8.5 | 11% 29 8.0 | 11% 29 7.5 | 8% 22 7.0 | 8% 21 6.5 | 6% 16 6.0 | 3% 9 5.5 | 8% 21 5.0 | 6% 17 4.5 | 5% 13 4.0 | 2% 5 3.5 | 1% 4 3.0 | 1% 3 2.5 | 0% 1 2.0 | 0% 1 1.8 | 0% 1 1.5 | 0% 0 1.0 | 0% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||