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| Detective Comics Annual #1 | ||
| DC Comics, 1988 | ||
| Denny O'Neil story | ||
| Klaus Janson & Tony DeZuniga art | ||
| Klaus Janson 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 | 43 | 9.38 | 0 0.00% | 0 0.00% | 19 44.2% | 7 60% | 8 79% | 2 84% | 2 88% | 1 91% | 2 95% | 0 95% | 2 100% | 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 | Signature | 10 | 9.49 | 0 0.00% | 0 0.00% | 5 50% | 0 50% | 3 80% | 1 90% | 0 90% | 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% |
| Detective Comics Annual #1 (1988, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 44% 19 9.8 | 16% 7 9.6 | 19% 8 9.4 | 5% 2 9.2 | 5% 2 9.0 | 2% 1 8.5 | 5% 2 8.0 | 0% 0 7.5 | 5% 2 7.0 | 0% 0 6.5 | 0% 0 6.0 | 0% 0 5.5 | 0% 0 5.0 | 0% 0 4.5 | 0% 0 4.0 | 0% 0 3.5 | 0% 0 3.0 | 0% 0 2.5 | 0% 0 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 | ||||||||||||||||||||||||