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| New Mutants #91 | ||
| Marvel Comics, 7/90 | ||
| Louise Simonson story | Sabretooth, Caliban & Masque appearance. | |
| Rob Liefeld & Hilary Barta art | Rom #9 cover homage. | |
| Rob Liefeld & Scott Williams 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 | 125 | 9.32 | 0 0.00%  | 0 0.00%  | 42 33.6%  | 29 57%  | 18 71%  | 12 81%  | 8 87%  | 8 94%  | 4 97%  | 1 98%  | 2 99%  | 0 99%  | 0 99%  | 0 99%  | 0 99%  | 0 99%  | 0 99%  | 0 99%  | 0 99%  | 0 99%  | 1 100%  | 0 100%  | 0 100%  | 0 100%  | 0 100%  | 
| 1 BOOK | Signature | 15 | 9.13 | 0 0.00%  | 0 0.00%  | 6 40.0%  | 2 53%  | 1 60%  | 3 80%  | 0 80%  | 1 87%  | 1 93%  | 0 93%  | 0 93%  | 0 93%  | 0 93%  | 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 | Restored | 1 | 4.50 | 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%  | 0 0.0%  | 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%  | 
| New Mutants #91 (1990, Marvel Comics) CGC Universal Grade Distribution  | ||||||||||||||||||||||||
| 0% 0 10  | 0% 0 9.9  | 34% 42 9.8  | 23% 29 9.6  | 14% 18 9.4  | 10% 12 9.2  | 6% 8 9.0  | 6% 8 8.5  | 3% 4 8.0  | 1% 1 7.5  | 2% 2 7.0  | 0% 0 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  | 1% 1 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 | ||||||||||||||||||||||||