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| Batman #231 | ||
| DC Comics, 5/71 | ||
| Frank Robbins and Mike Friedrich stories | Robin backup story. | |
| Irv Novick and Dick Giordano art | Letter from Dave Sim. | |
| 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 | 114 | 8.36 | 0 0.00% | 0 0.00% | 2 1.8% | 9 9.6% | 18 25.4% | 17 40.4% | 11 50% | 18 66% | 10 75% | 8 82% | 4 85% | 7 91% | 5 96% | 1 96% | 4 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 10 | 7.30 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 20.0% | 1 30.0% | 3 60% | 1 70% | 1 80% | 0 80% | 0 80% | 0 80% | 0 80% | 0 80% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 9.40 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% |
| Batman #231 (1971, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 2% 2 9.8 | 8% 9 9.6 | 16% 18 9.4 | 15% 17 9.2 | 10% 11 9.0 | 16% 18 8.5 | 9% 10 8.0 | 7% 8 7.5 | 4% 4 7.0 | 6% 7 6.5 | 4% 5 6.0 | 1% 1 5.5 | 4% 4 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 | ||||||||||||||||||||||||