![]() |

| Spider-Man #21 | ||
| Marvel Comics, 4/92 | ||
| Erik Larsen story, cover & art | Deathlok, Solo, Cyborg X & | |
| Sinister Six appearance. | ||
| 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 | 329 | 9.64 | 0 0.00% | 2 0.61% | 227 70% | 55 86% | 20 92% | 7 95% | 6 96% | 4 98% | 5 99% | 0 99% | 2 100% | 0 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 13 | 9.40 | 0 0.00% | 0 0.00% | 8 62% | 1 69% | 0 69% | 1 77% | 0 77% | 2 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% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Spider-Man #21 (1992, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0.6% 2 9.9 | 69% 227 9.8 | 17% 55 9.6 | 6% 20 9.4 | 2% 7 9.2 | 2% 6 9.0 | 1% 4 8.5 | 2% 5 8.0 | 0% 0 7.5 | 1% 2 7.0 | 0% 0 6.5 | 0% 1 6.0 | 0% 0 5.5 | 0% 0 5.0 | 0% 0 4.5 | 0% 0 4.0 | 0% 0 3.5 | 0% 0 3.0 | 0% 0 2.5 | 0% 0 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 | ||||||||||||||||||||||||