![]() |

| Sub-Mariner #50 | ||
| Marvel Comics, 6/72 | ||
| Bill Everett story and art | 1st appearance of Namorita. | |
| Gil Kane and Vince Colletta cover | Namora, Byrrah and Llyra 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 | 545 | 8.15 | 0 0.00% | 0 0.00% | 32 5.9% | 57 16.3% | 66 28.4% | 41 36.0% | 63 47.5% | 54 57% | 53 67% | 44 75% | 34 81% | 33 88% | 29 93% | 13 95% | 9 97% | 5 98% | 4 99% | 4 99% | 2 100% | 0 100% | 1 100% | 0 100% | 1 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 3 | 8.80 | 0 0.00% | 0 0.00% | 1 33.3% | 1 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 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% |
| Sub-Mariner #50 (1972, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 6% 32 9.8 | 10% 57 9.6 | 12% 66 9.4 | 8% 41 9.2 | 12% 63 9.0 | 10% 54 8.5 | 10% 53 8.0 | 8% 44 7.5 | 6% 34 7.0 | 6% 33 6.5 | 5% 29 6.0 | 2% 13 5.5 | 2% 9 5.0 | 1% 5 4.5 | 1% 4 4.0 | 1% 4 3.5 | 0% 2 3.0 | 0% 0 2.5 | 0% 1 2.0 | 0% 0 1.8 | 0% 1 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||