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| Detective Comics #422 | ||
| DC Comics, 4/72 | ||
| Denny O'Neil and Frank Robbins stories | Batgirl backup story. | |
| Bob Brown, Dick Giordano and | ||
| Don Heck art, Neal Adams 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 | 166 | 8.47 | 0 0.00% | 0 0.00% | 9 5.4% | 18 16.3% | 27 32.5% | 27 48.8% | 17 59% | 17 69% | 16 79% | 8 84% | 10 90% | 2 91% | 3 93% | 4 95% | 3 97% | 4 99% | 0 99% | 0 99% | 0 99% | 0 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 12 | 8.19 | 0 0.00% | 0 0.00% | 0 0.0% | 1 8.3% | 0 8.3% | 1 16.7% | 0 16.7% | 5 58% | 2 75% | 1 83% | 1 92% | 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 | Restored | 1 | 9.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 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 #422 (1972, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 5% 9 9.8 | 11% 18 9.6 | 16% 27 9.4 | 16% 27 9.2 | 10% 17 9.0 | 10% 17 8.5 | 10% 16 8.0 | 5% 8 7.5 | 6% 10 7.0 | 1% 2 6.5 | 2% 3 6.0 | 2% 4 5.5 | 2% 3 5.0 | 2% 4 4.5 | 0% 0 4.0 | 0% 0 3.5 | 0% 0 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 | ||||||||||||||||||||||||