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| X-Factor #66 | ||
| Marvel Comics, 5/91 | ||
| Chris Claremont, Jim Lee & | Barrage, Foxbat, Gauntlet, Hard-Drive & | |
| Whilce Portacio story | Tusk appearance. Captain America, Sersi, | |
| Whilce Portacio & Art Thibert cover/art | She-Hulk, Human Torch & Thing 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 | 42 | 9.36 | 0 0.00% | 0 0.00% | 18 42.9% | 10 67% | 5 79% | 2 83% | 3 90% | 2 95% | 0 95% | 1 98% | 0 98% | 0 98% | 0 98% | 0 98% | 0 98% | 0 98% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 11 | 9.44 | 0 0.00% | 0 0.00% | 4 36.4% | 3 64% | 2 82% | 0 82% | 1 91% | 0 91% | 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% |
| 1 BOOK | Qualified | 4 | 9.33 | 0 0.00% | 0 0.00% | 1 25.0% | 1 50% | 1 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% | 0 100% | 0 100% | 0 100% |
| X-Factor #66 (1991, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 43% 18 9.8 | 24% 10 9.6 | 12% 5 9.4 | 5% 2 9.2 | 7% 3 9.0 | 5% 2 8.5 | 0% 0 8.0 | 2% 1 7.5 | 0% 0 7.0 | 0% 0 6.5 | 0% 0 6.0 | 0% 0 5.5 | 0% 0 5.0 | 0% 0 4.5 | 2% 1 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 | ||||||||||||||||||||||||