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| Web of Spider-Man #31 | ||
| Marvel Comics, 10/87 | ||
| J.M. DeMatteis story | Kraven appearance. | |
| Mike Zeck & Bob McLeod cover & art | ||
| 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 | 1,089 | 9.31 | 0 0.00% | 0 0.00% | 336 30.9% | 297 58% | 157 73% | 89 81% | 67 87% | 53 92% | 30 94% | 25 97% | 12 98% | 6 98% | 7 99% | 4 99% | 2 100% | 3 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 204 | 9.21 | 0 0.00% | 0 0.00% | 30 14.7% | 62 45.1% | 44 67% | 22 77% | 15 85% | 16 93% | 5 95% | 3 97% | 1 97% | 2 98% | 2 99% | 1 100% | 0 100% | 0 100% | 0 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 7.50 | 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% | 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% |
| 1 BOOK | Qualified | 1 | 6.50 | 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% | 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% |
| Web of Spider-Man #31 (1987, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 31% 336 9.8 | 27% 297 9.6 | 14% 157 9.4 | 8% 89 9.2 | 6% 67 9.0 | 5% 53 8.5 | 3% 30 8.0 | 2% 25 7.5 | 1% 12 7.0 | 1% 6 6.5 | 1% 7 6.0 | 0% 4 5.5 | 0% 2 5.0 | 0% 3 4.5 | 0% 1 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 | ||||||||||||||||||||||||