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| Detective Comics #405 | ||
| DC Comics, 11/70 | ||
| Denny O'Neil and Frank Robbins stories | 1st appearance of the | |
| Bob Brown, Gil Kane and | League of Assassins. | |
| Frank Giacoia art, Neal Adams cover | Batgirl backup story. | |
| 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 | 701 | 7.40 | 0 0.00% | 0 0.00% | 8 1.1% | 22 4.3% | 36 9.4% | 57 17.5% | 60 26.1% | 70 36.1% | 74 46.6% | 76 57% | 73 68% | 58 76% | 50 83% | 31 88% | 36 93% | 23 96% | 11 98% | 10 99% | 2 99% | 2 100% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 55 | 7.26 | 0 0.00% | 0 0.00% | 1 1.8% | 0 1.8% | 2 5.5% | 4 12.7% | 5 21.8% | 5 30.9% | 9 47.3% | 9 64% | 4 71% | 4 78% | 2 82% | 3 87% | 1 89% | 0 89% | 2 93% | 2 96% | 0 96% | 1 98% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 6 | 6.92 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 33.3% | 0 33.3% | 2 67% | 0 67% | 0 67% | 0 67% | 0 67% | 1 83% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 2 | 9.30 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% |
| Detective Comics #405 (1970, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 1% 8 9.8 | 3% 22 9.6 | 5% 36 9.4 | 8% 57 9.2 | 9% 60 9.0 | 10% 70 8.5 | 11% 74 8.0 | 11% 76 7.5 | 10% 73 7.0 | 8% 58 6.5 | 7% 50 6.0 | 4% 31 5.5 | 5% 36 5.0 | 3% 23 4.5 | 2% 11 4.0 | 1% 10 3.5 | 0% 2 3.0 | 0% 2 2.5 | 0% 2 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||