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| Superman #230 | ||
| DC Comics, 10/70 | ||
| Cary Bates story | ||
| Curt Swan and Dan Adkins art | ||
| Curt Swan and Murphy Anderson 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 | 38 | 7.87 | 0 0.00% | 0 0.00% | 2 5.3% | 2 10.5% | 4 21.1% | 8 42.1% | 2 47.4% | 2 53% | 2 58% | 4 68% | 2 74% | 3 82% | 2 87% | 1 89% | 2 95% | 1 97% | 0 97% | 0 97% | 0 97% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 2 | 4.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Superman #230 (1970, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 5% 2 9.8 | 5% 2 9.6 | 11% 4 9.4 | 21% 8 9.2 | 5% 2 9.0 | 5% 2 8.5 | 5% 2 8.0 | 11% 4 7.5 | 5% 2 7.0 | 8% 3 6.5 | 5% 2 6.0 | 3% 1 5.5 | 5% 2 5.0 | 3% 1 4.5 | 0% 0 4.0 | 0% 0 3.5 | 0% 0 3.0 | 3% 1 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 | ||||||||||||||||||||||||