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| Justice League of America #51 | ||
| DC Comics, 2/67 | ||
| Gardner Fox story | 1st Silver Age appearance of Zatara. | |
| Mike Sekowsky and Sid Greene art | Zatanna and Elongated Man appearance. | |
| Mike Sekowsky and Joe Giella 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 | 226 | 7.75 | 0 0.00% | 0 0.00% | 1 0.4% | 15 7.1% | 21 16.4% | 20 25.2% | 30 38.5% | 22 48.2% | 30 62% | 13 67% | 24 78% | 6 81% | 10 85% | 8 88% | 9 92% | 8 96% | 2 97% | 5 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 1 100% |
| 1 BOOK | Signature | 3 | 8.63 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 33.3% | 0 33.3% | 0 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% |
| 1 BOOK | Qualified | 3 | 8.40 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 1 33.3% | 1 67% | 0 67% | 0 67% | 0 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% |
| 1 BOOK | Restored | 1 | 8.50 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% | 0 100% | 0 100% |
| Justice League of America #51 (1967, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 1 9.8 | 7% 15 9.6 | 9% 21 9.4 | 9% 20 9.2 | 13% 30 9.0 | 10% 22 8.5 | 13% 30 8.0 | 6% 13 7.5 | 11% 24 7.0 | 3% 6 6.5 | 4% 10 6.0 | 4% 8 5.5 | 4% 9 5.0 | 4% 8 4.5 | 1% 2 4.0 | 2% 5 3.5 | 0% 1 3.0 | 0% 0 2.5 | 0% 0 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||