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| Teenage Mutant Ninja Turtles #18 | ||
| Second Printing | Mirage Studios, 12/90 | |
| Kevin Eastman story | Chang Lee appearance. | |
| Mark Bode cover & art | 1st full color printing. | |
| 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 | 51 | 9.19 | 0 0.00% | 0 0.00% | 9 17.6% | 11 39.2% | 14 67% | 5 76% | 3 82% | 5 92% | 1 94% | 0 94% | 2 98% | 0 98% | 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% |
| 1 BOOK | Signature | 19 | 9.15 | 0 0.00% | 0 0.00% | 4 21.1% | 1 26.3% | 4 47.4% | 7 84% | 1 89% | 0 89% | 1 95% | 0 95% | 0 95% | 0 95% | 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% |
| Teenage Mutant Ninja Turtles #18 Second Printing (1990, Mirage Studios) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 18% 9 9.8 | 22% 11 9.6 | 27% 14 9.4 | 10% 5 9.2 | 6% 3 9.0 | 10% 5 8.5 | 2% 1 8.0 | 0% 0 7.5 | 4% 2 7.0 | 0% 0 6.5 | 2% 1 6.0 | 0% 0 5.5 | 0% 0 5.0 | 0% 0 4.5 | 0% 0 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 | ||||||||||||||||||||||||