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| Detective Comics #66 | ||
| DC Comics, 8/42 | ||
| Bill Finger and Jack Kirby stories | Origin and 1st appearance | |
| Bob Kane, Joe Simon and Jack Kirby art | of Two-Face (Harvey Dent). | |
| Jerry Robinson cover and art | 3rd appearance of the Boy Commandos. | |
| 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 | 104 | 4.40 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 1 1.0% | 1 1.9% | 3 4.8% | 3 7.7% | 6 13.5% | 8 21.2% | 4 25.0% | 3 27.9% | 5 32.7% | 5 37.5% | 14 51% | 10 61% | 4 64% | 12 76% | 5 81% | 4 85% | 5 89% | 2 91% | 4 95% | 5 100% |
| 1 BOOK | Restored | 28 | 5.43 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 7.1% | 2 14.3% | 1 17.9% | 2 25.0% | 1 28.6% | 4 42.9% | 3 54% | 0 54% | 2 61% | 3 71% | 1 75% | 2 82% | 1 86% | 1 89% | 0 89% | 0 89% | 1 93% | 1 96% | 1 100% |
| 1 BOOK | Signature | 2 | 7.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 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% |
| 1 BOOK | Qualified | 2 | 5.75 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 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% |
| Detective Comics #66 (1942, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 0% 0 9.4 | 1% 1 9.2 | 1% 1 9.0 | 3% 3 8.5 | 3% 3 8.0 | 6% 6 7.5 | 8% 8 7.0 | 4% 4 6.5 | 3% 3 6.0 | 5% 5 5.5 | 5% 5 5.0 | 13% 14 4.5 | 10% 10 4.0 | 4% 4 3.5 | 12% 12 3.0 | 5% 5 2.5 | 4% 4 2.0 | 5% 5 1.8 | 2% 2 1.5 | 4% 4 1.0 | 5% 5 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||