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| What If? #27 | ||
| Marvel Comics, 7/81 | ||
| Mary Jo Duffy story | X-Men appearance. | |
| Jerry Bingham & John Stuart art | ||
| Frank Miller 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 | 331 | 9.24 | 0 0.00% | 0 0.00% | 75 22.7% | 97 52% | 61 70% | 32 80% | 17 85% | 17 90% | 14 95% | 6 96% | 2 97% | 2 98% | 5 99% | 1 99% | 1 100% | 0 100% | 0 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 27 | 9.13 | 0 0.00% | 0 0.00% | 9 33.3% | 5 52% | 1 56% | 5 74% | 3 85% | 2 93% | 0 93% | 0 93% | 0 93% | 0 93% | 1 96% | 0 96% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| What If? #27 (1981, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 23% 75 9.8 | 29% 97 9.6 | 18% 61 9.4 | 10% 32 9.2 | 5% 17 9.0 | 5% 17 8.5 | 4% 14 8.0 | 2% 6 7.5 | 1% 2 7.0 | 1% 2 6.5 | 2% 5 6.0 | 0% 1 5.5 | 0% 1 5.0 | 0% 0 4.5 | 0% 0 4.0 | 0% 1 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 | ||||||||||||||||||||||||