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| Justice League of America #17 | ||
| DC Comics, 2/63 | ||
| Gardner Fox story | Tornado Tyrant appearance. | |
| Mike Sekowsky and Bernard Sachs art | Adam Strange cameo. | |
| 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 | 239 | 6.97 | 0 0.00% | 0 0.00% | 1 0.4% | 5 2.5% | 9 6.3% | 13 11.7% | 25 22.2% | 19 30.1% | 20 38.5% | 26 49.4% | 24 59% | 23 69% | 13 74% | 12 79% | 10 84% | 16 90% | 12 95% | 4 97% | 4 99% | 0 99% | 2 100% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 7 | 7.61 | 0 0.00% | 0 0.00% | 0 0.0% | 1 14.3% | 0 14.3% | 1 28.6% | 1 42.9% | 0 42.9% | 0 42.9% | 1 57% | 0 57% | 0 57% | 3 100% | 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 | 3 | 8.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 33.3% | 0 33.3% | 0 33.3% | 2 100% | 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 #17 (1963, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 1 9.8 | 2% 5 9.6 | 4% 9 9.4 | 5% 13 9.2 | 10% 25 9.0 | 8% 19 8.5 | 8% 20 8.0 | 11% 26 7.5 | 10% 24 7.0 | 10% 23 6.5 | 5% 13 6.0 | 5% 12 5.5 | 4% 10 5.0 | 7% 16 4.5 | 5% 12 4.0 | 2% 4 3.5 | 2% 4 3.0 | 0% 0 2.5 | 1% 2 2.0 | 0% 1 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||