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| Fantastic Four #51 | ||
| Marvel Comics, 6/66 | ||
| Stan Lee story | 1st appearance of the Negative Zone. | |
| Jack Kirby and Joe Sinnott cover and art | 2nd appearance of Wyatt Wingfoot. | |
| 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 | 1,030 | 6.52 | 0 0.00% | 0 0.00% | 0 0.0% | 8 0.8% | 24 3.1% | 39 6.9% | 57 12.4% | 87 20.9% | 94 30.0% | 97 39.4% | 92 48.3% | 105 59% | 95 68% | 53 73% | 79 81% | 60 86% | 64 93% | 29 95% | 20 97% | 14 99% | 5 99% | 5 100% | 1 100% | 0 100% | 2 100% |
| 1 BOOK | Signature | 80 | 5.54 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 1.3% | 0 1.3% | 4 6.3% | 1 7.5% | 4 12.5% | 6 20.0% | 8 30.0% | 5 36.3% | 9 47.5% | 10 60% | 5 66% | 9 78% | 7 86% | 2 89% | 0 89% | 4 94% | 0 94% | 1 95% | 0 95% | 1 96% | 3 100% |
| 1 BOOK | Restored | 18 | 6.43 | 0 0.00% | 0 0.00% | 1 5.6% | 0 5.6% | 1 11.1% | 0 11.1% | 0 11.1% | 0 11.1% | 1 16.7% | 2 27.8% | 5 56% | 2 67% | 0 67% | 0 67% | 2 78% | 3 94% | 0 94% | 0 94% | 0 94% | 0 94% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 11 | 5.05 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 9.1% | 0 9.1% | 0 9.1% | 0 9.1% | 1 18.2% | 0 18.2% | 2 36.4% | 1 45.5% | 2 64% | 3 91% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Fantastic Four #51 (1966, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 1% 8 9.6 | 2% 24 9.4 | 4% 39 9.2 | 6% 57 9.0 | 8% 87 8.5 | 9% 94 8.0 | 9% 97 7.5 | 9% 92 7.0 | 10% 105 6.5 | 9% 95 6.0 | 5% 53 5.5 | 8% 79 5.0 | 6% 60 4.5 | 6% 64 4.0 | 3% 29 3.5 | 2% 20 3.0 | 1% 14 2.5 | 0% 5 2.0 | 0% 5 1.8 | 0% 1 1.5 | 0% 0 1.0 | 0% 2 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||