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| Incredible Science Fiction #30 | ||
| E.C. Comics, 7-8/55 | ||
| Jack Oleck story, Jack Davis cover | 1st issue. | |
| Wally Wood, Bernard Krigstein, | Formerly Weird Science-Fantasy. | |
| Joe Orlando and Jack Davis art | Letter from Dan Adkins. | |
| 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 | 85 | 5.28 | 0 0.00% | 0 0.00% | 0 0.0% | 4 4.7% | 3 8.2% | 0 8.2% | 1 9.4% | 1 10.6% | 2 12.9% | 3 16.5% | 7 24.7% | 5 30.6% | 9 41.2% | 5 47.1% | 7 55% | 8 65% | 11 78% | 4 82% | 5 88% | 1 89% | 6 96% | 1 98% | 2 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 9 | 4.17 | 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% | 2 22.2% | 1 33.3% | 1 44.4% | 0 44.4% | 1 56% | 2 78% | 1 89% | 0 89% | 0 89% | 0 89% | 0 89% | 1 100% | 0 100% |
| 1 BOOK | Qualified | 2 | 2.50 | 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% | 0 0.0% | 0 0.0% | 0 0.0% | 1 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 1 100% |
| 1 BOOK | Signature | 1 | 3.00 | 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% | 0 0.0% | 0 0.0% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Incredible Science Fiction #30 (1955, E.C. Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 5% 4 9.6 | 4% 3 9.4 | 0% 0 9.2 | 1% 1 9.0 | 1% 1 8.5 | 2% 2 8.0 | 4% 3 7.5 | 8% 7 7.0 | 6% 5 6.5 | 11% 9 6.0 | 6% 5 5.5 | 8% 7 5.0 | 9% 8 4.5 | 13% 11 4.0 | 5% 4 3.5 | 6% 5 3.0 | 1% 1 2.5 | 7% 6 2.0 | 1% 1 1.8 | 2% 2 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||