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| Justice League of America #66 | ||
| DC Comics, 11/68 | ||
| Denny O'Neil story | Letter from J. Michael Straczynski. | |
| Dick Dillin and Sid Greene art | ||
| Neal Adams 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 | 123 | 8.33 | 0 0.00% | 0 0.00% | 6 4.9% | 8 11.4% | 24 30.9% | 20 47.2% | 16 60% | 13 71% | 7 76% | 3 79% | 8 85% | 4 89% | 4 92% | 0 92% | 2 93% | 2 95% | 3 98% | 2 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 13 | 7.11 | 0 0.00% | 0 0.00% | 1 7.7% | 0 7.7% | 0 7.7% | 3 30.8% | 0 30.8% | 0 30.8% | 3 54% | 1 62% | 1 69% | 0 69% | 1 77% | 0 77% | 0 77% | 1 85% | 0 85% | 1 92% | 0 92% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 2 | 9.20 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 50% | 0 50% | 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% |
| Justice League of America #66 (1968, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 5% 6 9.8 | 7% 8 9.6 | 20% 24 9.4 | 16% 20 9.2 | 13% 16 9.0 | 11% 13 8.5 | 6% 7 8.0 | 2% 3 7.5 | 7% 8 7.0 | 3% 4 6.5 | 3% 4 6.0 | 0% 0 5.5 | 2% 2 5.0 | 2% 2 4.5 | 2% 3 4.0 | 2% 2 3.5 | 1% 1 3.0 | 0% 0 2.5 | 0% 0 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 | ||||||||||||||||||||||||