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| Justice League of America #40 | ||
| DC Comics, 11/65 | ||
| Gardner Fox story | 3rd appearance of Silver Age Penguin. | |
| Mike Sekowsky & Bernard Sachs art | Mirror Master, Shark & | |
| Mike Sekowsky & Murphy Anderson cover | Captain Cold appearance. | |
| 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 | 140 | 7.74 | 0 0.00% | 0 0.00% | 1 0.7% | 7 5.7% | 16 17.1% | 14 27.1% | 19 40.7% | 17 53% | 13 62% | 7 67% | 13 76% | 6 81% | 6 85% | 4 88% | 3 90% | 5 94% | 4 96% | 0 96% | 4 99% | 0 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 2 | 8.60 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 1 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% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Justice League of America #40 (1965, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 1% 1 9.8 | 5% 7 9.6 | 11% 16 9.4 | 10% 14 9.2 | 14% 19 9.0 | 12% 17 8.5 | 9% 13 8.0 | 5% 7 7.5 | 9% 13 7.0 | 4% 6 6.5 | 4% 6 6.0 | 3% 4 5.5 | 2% 3 5.0 | 4% 5 4.5 | 3% 4 4.0 | 0% 0 3.5 | 3% 4 3.0 | 0% 0 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 | ||||||||||||||||||||||||