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| Superman #233 | ||
| DC Comics, 1/71 | ||
| Denny O'Neil, E. Nelson Bridwell stories | Clark Kent becomes a TV newscaster. | |
| Curt Swan and Murphy Anderson art | All Kryptonite "destroyed". | |
| Neal Adams cover | "World of Krypton" backup stories begin. | |
| 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 | 1,488 | 6.87 | 0 0.00% | 0 0.00% | 4 0.3% | 17 1.4% | 67 5.9% | 72 10.8% | 101 17.5% | 131 26.3% | 140 35.8% | 130 44.5% | 142 54% | 139 63% | 151 74% | 99 80% | 103 87% | 69 92% | 60 96% | 37 98% | 15 99% | 6 100% | 4 100% | 0 100% | 1 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 276 | 6.57 | 0 0.00% | 0 0.00% | 0 0.0% | 1 0.4% | 13 5.1% | 3 6.2% | 18 12.7% | 25 21.7% | 24 30.4% | 27 40.2% | 23 48.6% | 25 58% | 27 67% | 26 77% | 19 84% | 10 87% | 16 93% | 7 96% | 7 98% | 1 99% | 2 99% | 0 99% | 0 99% | 1 100% | 1 100% |
| 1 BOOK | Restored | 16 | 7.23 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 6.3% | 1 12.5% | 4 37.5% | 1 43.8% | 1 50% | 2 63% | 0 63% | 0 63% | 0 63% | 2 75% | 3 94% | 0 94% | 0 94% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 10 | 6.14 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 2 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 1 30.0% | 1 40.0% | 1 50% | 2 70% | 1 80% | 0 80% | 1 90% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Superman #233 (1971, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 4 9.8 | 1% 17 9.6 | 5% 67 9.4 | 5% 72 9.2 | 7% 101 9.0 | 9% 131 8.5 | 9% 140 8.0 | 9% 130 7.5 | 10% 142 7.0 | 9% 139 6.5 | 10% 151 6.0 | 7% 99 5.5 | 7% 103 5.0 | 5% 69 4.5 | 4% 60 4.0 | 2% 37 3.5 | 1% 15 3.0 | 0% 6 2.5 | 0% 4 2.0 | 0% 0 1.8 | 0% 1 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||