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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 | 839 | 9.41 | 0 0.00% | 0 0.00% | 260 31.0% | 245 60% | 150 78% | 63 86% | 52 92% | 25 95% | 18 97% | 12 98% | 8 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 | 121 | 9.38 | 0 0.00% | 0 0.00% | 36 29.8% | 37 60% | 17 74% | 9 82% | 9 89% | 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% 260 9.8 | 29% 245 9.6 | 18% 150 9.4 | 8% 63 9.2 | 6% 52 9.0 | 3% 25 8.5 | 2% 18 8.0 | 1% 12 7.5 | 1% 8 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 September 16, 2025 | ||||||||||||||||||||||||