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| Aquaman #18 | ||
| DC Comics, 11-12/64 | ||
| Jack Miller story | Aquaman weds Mera. | |
| Nick Cardy cover and art | Aquaman becomes king of Atlantis. | |
| Justice League of America cameo. | ||
| 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 | 179 | 7.22 | 0 0.00% | 0 0.00% | 1 0.6% | 10 6.1% | 13 13.4% | 11 19.6% | 16 28.5% | 20 39.7% | 17 49.2% | 15 58% | 9 63% | 11 69% | 16 78% | 4 80% | 13 87% | 7 91% | 7 95% | 3 97% | 3 98% | 1 99% | 0 99% | 0 99% | 1 99% | 0 99% | 1 100% |
| 1 BOOK | Restored | 3 | 6.50 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 33.3% | 0 33.3% | 1 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% |
| 1 BOOK | Signature | 1 | 8.50 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 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% |
| 1 BOOK | Qualified | 1 | 8.50 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 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% |
| Aquaman #18 (1964, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 1% 1 9.8 | 6% 10 9.6 | 7% 13 9.4 | 6% 11 9.2 | 9% 16 9.0 | 11% 20 8.5 | 9% 17 8.0 | 8% 15 7.5 | 5% 9 7.0 | 6% 11 6.5 | 9% 16 6.0 | 2% 4 5.5 | 7% 13 5.0 | 4% 7 4.5 | 4% 7 4.0 | 2% 3 3.5 | 2% 3 3.0 | 1% 1 2.5 | 0% 0 2.0 | 0% 0 1.8 | 1% 1 1.5 | 0% 0 1.0 | 1% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||