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| Justice League of America #6 | ||
| DC Comics, 8-9/61 | ||
| Gardner Fox story | Origin & 1st appearance of | |
| Mike Sekowsky & Bernard Sachs art | Professor Amos Fortune. | |
| 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 | 346 | 5.69 | 0 0.00% | 0 0.00% | 1 0.3% | 1 0.6% | 2 1.2% | 7 3.2% | 15 7.5% | 18 12.7% | 23 19.4% | 16 24.0% | 27 31.8% | 28 39.9% | 30 48.6% | 25 56% | 29 64% | 33 74% | 29 82% | 24 89% | 17 94% | 9 97% | 4 98% | 3 99% | 2 99% | 2 100% | 1 100% |
| 1 BOOK | Restored | 21 | 5.65 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 1 4.8% | 0 4.8% | 1 9.5% | 3 23.8% | 1 28.6% | 2 38.1% | 2 47.6% | 0 47.6% | 0 47.6% | 3 62% | 2 71% | 1 76% | 1 81% | 3 95% | 0 95% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 6 | 7.47 | 0 0.00% | 0 0.00% | 1 16.7% | 0 16.7% | 0 16.7% | 0 16.7% | 0 16.7% | 2 50% | 1 67% | 0 67% | 0 67% | 1 83% | 0 83% | 0 83% | 0 83% | 0 83% | 0 83% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 2 | 6.75 | 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 50% | 0 50% | 0 50% | 0 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% |
| Justice League of America #6 (1961, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 1 9.8 | 0% 1 9.6 | 1% 2 9.4 | 2% 7 9.2 | 4% 15 9.0 | 5% 18 8.5 | 7% 23 8.0 | 5% 16 7.5 | 8% 27 7.0 | 8% 28 6.5 | 9% 30 6.0 | 7% 25 5.5 | 8% 29 5.0 | 10% 33 4.5 | 8% 29 4.0 | 7% 24 3.5 | 5% 17 3.0 | 3% 9 2.5 | 1% 4 2.0 | 1% 3 1.8 | 1% 2 1.5 | 1% 2 1.0 | 0% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||