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| Detective Comics #577 | ||
| DC Comics, 8/87 | ||
| Mike W. Barr story | Batman "Year Two" storyline. | |
| Todd McFarlane & Alfredo Alcala art | ||
| Todd McFarlane & Pablo Marcos 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 | 866 | 9.41 | 0 0.00% | 0 0.00% | 271 31.3% | 250 60% | 155 78% | 66 86% | 51 92% | 27 95% | 19 97% | 12 98% | 9 99% | 2 100% | 1 100% | 1 100% | 1 100% | 0 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 132 | 9.40 | 0 0.00% | 0 0.00% | 42 31.8% | 40 62% | 17 75% | 10 83% | 10 90% | 7 95% | 2 97% | 1 98% | 2 99% | 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 | 9.80 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 1 | 9.60 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% | 0 100% |
| Detective Comics #577 (1987, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 31% 271 9.8 | 29% 250 9.6 | 18% 155 9.4 | 8% 66 9.2 | 6% 51 9.0 | 3% 27 8.5 | 2% 19 8.0 | 1% 12 7.5 | 1% 9 7.0 | 0% 2 6.5 | 0% 1 6.0 | 0% 1 5.5 | 0% 1 5.0 | 0% 0 4.5 | 0% 1 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 February 24, 2026 | ||||||||||||||||||||||||