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| Web of Spider-Man #17 | ||
| Marvel Comics, 8/86 | ||
| David Michelinie story | Magma appearance. | |
| Marc Silvestri & Vince Colletta 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 | 56 | 8.98 | 0 0.00% | 0 0.00% | 18 32.1% | 12 54% | 6 64% | 2 68% | 5 77% | 4 84% | 2 88% | 2 91% | 0 91% | 2 95% | 1 96% | 1 98% | 0 98% | 0 98% | 0 98% | 0 98% | 0 98% | 0 98% | 0 98% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 3 | 8.87 | 0 0.00% | 0 0.00% | 0 0.0% | 1 33.3% | 0 33.3% | 0 33.3% | 1 67% | 0 67% | 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% |
| Web of Spider-Man #17 (1986, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 32% 18 9.8 | 21% 12 9.6 | 11% 6 9.4 | 4% 2 9.2 | 9% 5 9.0 | 7% 4 8.5 | 4% 2 8.0 | 4% 2 7.5 | 0% 0 7.0 | 4% 2 6.5 | 2% 1 6.0 | 2% 1 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 | 2% 1 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||