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| Detective Comics #166 | ||
| DC Comics, 12/50 | ||
| Dick Sprang, Frank Bolle and | ||
| Bruno Premiani art | ||
| Win Mortimer 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 | 54 | 5.93 | 0 0.00% | 0 0.00% | 0 0.0% | 1 1.9% | 1 3.7% | 2 7.4% | 0 7.4% | 3 13.0% | 4 20.4% | 4 27.8% | 6 38.9% | 4 46.3% | 4 54% | 5 63% | 6 74% | 2 78% | 4 85% | 3 91% | 2 94% | 1 96% | 0 96% | 0 96% | 1 98% | 0 98% | 1 100% |
| 1 BOOK | Restored | 2 | 4.75 | 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% | 0 0.0% | 1 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Detective Comics #166 (1950, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 2% 1 9.6 | 2% 1 9.4 | 4% 2 9.2 | 0% 0 9.0 | 6% 3 8.5 | 7% 4 8.0 | 7% 4 7.5 | 11% 6 7.0 | 7% 4 6.5 | 7% 4 6.0 | 9% 5 5.5 | 11% 6 5.0 | 4% 2 4.5 | 7% 4 4.0 | 6% 3 3.5 | 4% 2 3.0 | 2% 1 2.5 | 0% 0 2.0 | 0% 0 1.8 | 2% 1 1.5 | 0% 0 1.0 | 2% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||