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| Detective Comics #502 | ||
| DC Comics, 5/81 | ||
| Gerry Conway & Cary Burkett stories | Batgirl backup story. | |
| Don Newton, Dan Adkins, Jose Delbo & | ||
| Joe Giella art, Jim Aparo 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 | 41 | 9.33 | 0 0.00% | 0 0.00% | 16 39.0% | 11 66% | 6 80% | 2 85% | 1 88% | 1 90% | 1 93% | 0 93% | 2 98% | 0 98% | 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% |
| 1 BOOK | Signature | 7 | 8.37 | 0 0.00% | 0 0.00% | 1 14.3% | 1 28.6% | 0 28.6% | 1 42.9% | 1 57% | 1 71% | 0 71% | 1 86% | 0 86% | 0 86% | 0 86% | 0 86% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Detective Comics #502 (1981, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 39% 16 9.8 | 27% 11 9.6 | 15% 6 9.4 | 5% 2 9.2 | 2% 1 9.0 | 2% 1 8.5 | 2% 1 8.0 | 0% 0 7.5 | 5% 2 7.0 | 0% 0 6.5 | 2% 1 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 | ||||||||||||||||||||||||