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| Sub-Mariner #40 | ||
| Marvel Comics, 8/71 | ||
| Gerry Conway story | Story continued from Daredevil #77 | |
| Gene Colan and Sam Grainger art | Spider-Man appearance. | |
| Sal Buscema cover | ||
| 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 | 140 | 8.61 | 0 0.00% | 0 0.00% | 17 12.1% | 23 28.6% | 32 51% | 8 57% | 16 69% | 10 76% | 9 82% | 3 84% | 4 87% | 3 89% | 2 91% | 3 93% | 4 96% | 3 98% | 1 99% | 1 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 4 | 7.13 | 0 0.00% | 0 0.00% | 0 0.0% | 1 25.0% | 1 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 1 75% | 0 75% | 0 75% | 0 75% | 0 75% | 0 75% | 0 75% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 1 | 9.40 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Sub-Mariner #40 (1971, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 12% 17 9.8 | 16% 23 9.6 | 23% 32 9.4 | 6% 8 9.2 | 11% 16 9.0 | 7% 10 8.5 | 6% 9 8.0 | 2% 3 7.5 | 3% 4 7.0 | 2% 3 6.5 | 1% 2 6.0 | 2% 3 5.5 | 3% 4 5.0 | 2% 3 4.5 | 1% 1 4.0 | 1% 1 3.5 | 1% 1 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 | ||||||||||||||||||||||||