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| Sub-Mariner #1 | ||
| Marvel Comics, 5/68 | ||
| Roy Thomas story | Story continued from | |
| John Buscema and Frank Giacoia art | Iron Man and Sub-Mariner #1 | |
| John Buscema and Sol Brodsky cover | Origin of Sub-Mariner retold. | |
| 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 | 6,254 | 6.76 | 0 0.00% | 0 0.00% | 97 1.6% | 184 4.5% | 266 8.7% | 278 13.2% | 343 18.7% | 478 26.3% | 509 34.5% | 565 43.5% | 597 53% | 567 62% | 493 70% | 429 77% | 393 83% | 344 89% | 277 93% | 182 96% | 99 98% | 70 99% | 40 99% | 16 100% | 13 100% | 5 100% | 9 100% |
| 1 BOOK | Signature | 386 | 6.55 | 0 0.00% | 0 0.00% | 6 1.6% | 5 2.8% | 12 6.0% | 10 8.5% | 23 14.5% | 41 25.1% | 27 32.1% | 33 40.7% | 39 51% | 27 58% | 29 65% | 37 75% | 19 80% | 23 86% | 19 91% | 10 93% | 11 96% | 8 98% | 4 99% | 0 99% | 1 99% | 1 100% | 1 100% |
| 1 BOOK | Restored | 104 | 6.30 | 0 0.00% | 0 0.00% | 0 0.0% | 5 4.8% | 2 6.7% | 2 8.7% | 8 16.3% | 4 20.2% | 3 23.1% | 8 30.8% | 16 46.2% | 6 52% | 13 64% | 3 67% | 8 75% | 6 81% | 8 88% | 5 93% | 5 98% | 1 99% | 0 99% | 0 99% | 0 99% | 1 100% | 0 100% |
| 1 BOOK | Qualified | 29 | 4.84 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 6.9% | 0 6.9% | 0 6.9% | 1 10.3% | 1 13.8% | 4 27.6% | 1 31.0% | 5 48.3% | 2 55% | 6 76% | 5 93% | 0 93% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Sub-Mariner #1 (1968, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 2% 97 9.8 | 3% 184 9.6 | 4% 266 9.4 | 4% 278 9.2 | 5% 343 9.0 | 8% 478 8.5 | 8% 509 8.0 | 9% 565 7.5 | 10% 597 7.0 | 9% 567 6.5 | 8% 493 6.0 | 7% 429 5.5 | 6% 393 5.0 | 6% 344 4.5 | 4% 277 4.0 | 3% 182 3.5 | 2% 99 3.0 | 1% 70 2.5 | 1% 40 2.0 | 0% 16 1.8 | 0% 13 1.5 | 0% 5 1.0 | 0% 9 0.5 |
| cgcdata.com, last updated October 13, 2026 | ||||||||||||||||||||||||