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| Avengers #51 | ||
| Marvel Comics, 4/68 | ||
| Roy Thomas story | Collector appearance. | |
| John Buscema and George Tuska art | Full page ad for Iron Man #1 | |
| John Buscema and Joe Sinnott cover | and Sub-Mariner #1 | |
| 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 | 421 | 7.93 | 0 0.00% | 0 0.00% | 8 1.9% | 37 10.7% | 45 21.4% | 53 34.0% | 38 43.0% | 46 54% | 40 63% | 32 71% | 27 77% | 22 83% | 23 88% | 15 92% | 8 94% | 13 97% | 9 99% | 2 99% | 0 99% | 2 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 19 | 7.74 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 5.3% | 1 10.5% | 1 15.8% | 5 42.1% | 5 68% | 1 74% | 2 84% | 0 84% | 1 89% | 1 95% | 0 95% | 0 95% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 12 | 7.86 | 0 0.00% | 0 0.00% | 0 0.0% | 1 8.3% | 0 8.3% | 1 16.7% | 3 41.7% | 0 41.7% | 1 50% | 2 67% | 2 83% | 0 83% | 1 92% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Avengers #51 (1968, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 2% 8 9.8 | 9% 37 9.6 | 11% 45 9.4 | 13% 53 9.2 | 9% 38 9.0 | 11% 46 8.5 | 10% 40 8.0 | 8% 32 7.5 | 6% 27 7.0 | 5% 22 6.5 | 5% 23 6.0 | 4% 15 5.5 | 2% 8 5.0 | 3% 13 4.5 | 2% 9 4.0 | 0% 2 3.5 | 0% 0 3.0 | 0% 2 2.5 | 0% 1 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 | ||||||||||||||||||||||||