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| Teenage Mutant Ninja Turtles #18 | ||
| Mirage Studios, 2/89 | ||
| Mark Bod? & Kevin Eastman cover & story | Chang Lee appearance. | |
| Mark Bod?, Kevin Eastman & | Wraparound cover. | |
| Eric Talbot art | ||
| 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 | 225 | 9.36 | 0 0.00% | 0 0.00% | 77 34.2% | 50 56% | 41 75% | 18 83% | 12 88% | 12 93% | 5 96% | 4 97% | 4 99% | 1 100% | 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 | 48 | 9.49 | 0 0.00% | 0 0.00% | 17 35.4% | 12 60% | 8 77% | 4 85% | 4 94% | 3 100% | 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 | 4 | 8.70 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 25.0% | 2 75% | 0 75% | 0 75% | 0 75% | 0 75% | 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% |
| Teenage Mutant Ninja Turtles #18 (1989, Mirage Studios) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 34% 77 9.8 | 22% 50 9.6 | 18% 41 9.4 | 8% 18 9.2 | 5% 12 9.0 | 5% 12 8.5 | 2% 5 8.0 | 2% 4 7.5 | 2% 4 7.0 | 0% 1 6.5 | 0% 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 | ||||||||||||||||||||||||