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| Justice League of America #18 | ||
| DC Comics, 3/63 | ||
| Gardner Fox story | Letter from Roy Thomas. | |
| Mike Sekowsky and Bernard Sachs art | ||
| 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 | 199 | 7.31 | 0 0.00% | 0 0.00% | 2 1.0% | 7 4.5% | 13 11.1% | 15 18.6% | 21 29.1% | 22 40.2% | 21 51% | 19 60% | 17 69% | 8 73% | 9 77% | 8 81% | 12 87% | 9 92% | 5 94% | 3 96% | 4 98% | 3 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 5 | 6.20 | 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% | 2 40.0% | 2 80% | 0 80% | 0 80% | 0 80% | 0 80% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 1 | 6.50 | 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% | 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% |
| Justice League of America #18 (1963, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 1% 2 9.8 | 4% 7 9.6 | 7% 13 9.4 | 8% 15 9.2 | 11% 21 9.0 | 11% 22 8.5 | 11% 21 8.0 | 10% 19 7.5 | 9% 17 7.0 | 4% 8 6.5 | 5% 9 6.0 | 4% 8 5.5 | 6% 12 5.0 | 5% 9 4.5 | 3% 5 4.0 | 2% 3 3.5 | 2% 4 3.0 | 2% 3 2.5 | 1% 1 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||