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| Sub-Mariner #23 | ||
| Marvel Comics, 3/70 | ||
| Roy Thomas story | Origin and 1st appearance of Orka. | |
| Marie Severin cover and art | Krang and Doctor Dorcas appearance. | |
| 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 | 153 | 8.69 | 0 0.00% | 0 0.00% | 14 9.2% | 21 22.9% | 22 37.3% | 28 56% | 15 65% | 15 75% | 10 82% | 9 88% | 9 93% | 1 94% | 4 97% | 0 97% | 3 99% | 1 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 8 | 7.73 | 0 0.00% | 0 0.00% | 0 0.0% | 1 12.5% | 3 50% | 0 50% | 0 50% | 0 50% | 0 50% | 1 63% | 0 63% | 1 75% | 0 75% | 1 88% | 0 88% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 2 | 8.20 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 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% |
| Sub-Mariner #23 (1970, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 9% 14 9.8 | 14% 21 9.6 | 14% 22 9.4 | 18% 28 9.2 | 10% 15 9.0 | 10% 15 8.5 | 7% 10 8.0 | 6% 9 7.5 | 6% 9 7.0 | 1% 1 6.5 | 3% 4 6.0 | 0% 0 5.5 | 2% 3 5.0 | 1% 1 4.5 | 1% 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 | ||||||||||||||||||||||||