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| Teenage Mutant Ninja Turtles Adventures #28 | ||
| Archie Publications, 1/92 | ||
| Dean Clarrain story | ||
| Chris Allan & Brian Thomas art | ||
| Ken Mitchroney & Ryan Brown cover | ||
| 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 | 43 | 9.46 | 0 0.00% | 0 0.00% | 22 51% | 11 77% | 5 88% | 1 91% | 1 93% | 0 93% | 0 93% | 0 93% | 2 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% | 0 100% |
| 1 BOOK | Signature | 18 | 9.21 | 0 0.00% | 0 0.00% | 0 0.0% | 4 22.2% | 5 50% | 4 72% | 3 89% | 1 94% | 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% |
| Teenage Mutant Ninja Turtles Adventures #28 (1992, Archie Publications) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 51% 22 9.8 | 26% 11 9.6 | 12% 5 9.4 | 2% 1 9.2 | 2% 1 9.0 | 0% 0 8.5 | 0% 0 8.0 | 0% 0 7.5 | 5% 2 7.0 | 2% 1 6.5 | 0% 0 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 | ||||||||||||||||||||||||