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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 | 6,096 | 6.76 | 0 0.00% | 0 0.00% | 93 1.5% | 180 4.5% | 264 8.8% | 273 13.3% | 339 18.8% | 467 26.5% | 493 34.6% | 550 43.6% | 577 53% | 551 62% | 471 70% | 420 77% | 382 83% | 338 89% | 272 93% | 180 96% | 97 98% | 70 99% | 38 99% | 16 100% | 11 100% | 5 100% | 9 100% |
| 1 BOOK | Signature | 380 | 6.55 | 0 0.00% | 0 0.00% | 6 1.6% | 5 2.9% | 12 6.1% | 10 8.7% | 23 14.7% | 40 25.3% | 27 32.4% | 31 40.5% | 39 51% | 26 58% | 29 65% | 35 74% | 19 79% | 23 86% | 19 91% | 10 93% | 11 96% | 8 98% | 4 99% | 0 99% | 1 99% | 1 100% | 1 100% |
| 1 BOOK | Restored | 100 | 6.32 | 0 0.00% | 0 0.00% | 0 0.0% | 5 5.0% | 2 7.0% | 2 9.0% | 8 17.0% | 4 21.0% | 3 24.0% | 8 32.0% | 15 47.0% | 6 53% | 12 65% | 2 67% | 7 74% | 6 80% | 8 88% | 5 93% | 5 98% | 1 99% | 0 99% | 0 99% | 0 99% | 1 100% | 0 100% |
| 1 BOOK | Qualified | 28 | 4.88 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 7.1% | 0 7.1% | 0 7.1% | 1 10.7% | 1 14.3% | 4 28.6% | 1 32.1% | 5 50% | 2 57% | 5 75% | 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% 93 9.8 | 3% 180 9.6 | 4% 264 9.4 | 4% 273 9.2 | 6% 339 9.0 | 8% 467 8.5 | 8% 493 8.0 | 9% 550 7.5 | 9% 577 7.0 | 9% 551 6.5 | 8% 471 6.0 | 7% 420 5.5 | 6% 382 5.0 | 6% 338 4.5 | 4% 272 4.0 | 3% 180 3.5 | 2% 97 3.0 | 1% 70 2.5 | 1% 38 2.0 | 0% 16 1.8 | 0% 11 1.5 | 0% 5 1.0 | 0% 9 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||