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| Adventure Comics #283 | ||
| DC Comics, 4/61 | ||
| Robert Bernstein story | 1st Phantom Zone. | |
| George Papp and Howard Sherman art | 1st appearance of General Zod and | |
| Curt Swan and Stan Kaye cover | Dr. Xadu. Last Congorilla backup story. | |
| 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 | 530 | 5.08 | 0 0.00% | 0 0.00% | 0 0.0% | 1 0.2% | 2 0.6% | 1 0.8% | 9 2.5% | 18 5.8% | 17 9.1% | 32 15.1% | 39 22.5% | 38 29.6% | 46 38.3% | 39 45.7% | 56 56% | 47 65% | 43 73% | 44 82% | 30 87% | 20 91% | 20 95% | 7 96% | 10 98% | 6 99% | 5 100% |
| 1 BOOK | Restored | 10 | 5.27 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 1 10.0% | 0 10.0% | 1 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 1 30.0% | 2 50% | 0 50% | 2 70% | 1 80% | 0 80% | 1 90% | 0 90% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 3 | 5.00 | 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% | 1 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 3 | 4.50 | 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% | 1 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 1 67% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Adventure Comics #283 (1961, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 1 9.6 | 0% 2 9.4 | 0% 1 9.2 | 2% 9 9.0 | 3% 18 8.5 | 3% 17 8.0 | 6% 32 7.5 | 7% 39 7.0 | 7% 38 6.5 | 9% 46 6.0 | 7% 39 5.5 | 11% 56 5.0 | 9% 47 4.5 | 8% 43 4.0 | 8% 44 3.5 | 6% 30 3.0 | 4% 20 2.5 | 4% 20 2.0 | 1% 7 1.8 | 2% 10 1.5 | 1% 6 1.0 | 1% 5 0.5 |
| cgcdata.com, last updated November 03, 2026 | ||||||||||||||||||||||||