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| X-Men #109 | ||
| Marvel Comics, 2/78 | ||
| Chris Claremont story | 1st appearance of Weapon Alpha | |
| John Byrne & Terry Austin art | (James Hudson, later becomes Guardian). | |
| Dave Cockrum & Terry Austin 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 | 3,262 | 8.46 | 0 0.00% | 0 0.00% | 209 6.4% | 442 20.0% | 516 35.8% | 368 47.1% | 363 58% | 340 69% | 242 76% | 197 82% | 183 88% | 103 91% | 112 94% | 61 96% | 45 98% | 32 98% | 26 99% | 9 100% | 6 100% | 5 100% | 2 100% | 0 100% | 0 100% | 1 100% | 0 100% |
| 1 BOOK | Signature | 272 | 8.46 | 0 0.00% | 0 0.00% | 19 7.0% | 41 22.1% | 44 38.2% | 30 49.3% | 20 57% | 25 66% | 23 74% | 18 81% | 21 89% | 10 92% | 7 95% | 3 96% | 5 98% | 3 99% | 1 99% | 1 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 33 | 8.22 | 0 0.00% | 0 0.00% | 1 3.0% | 5 18.2% | 6 36.4% | 5 52% | 4 64% | 2 70% | 0 70% | 2 76% | 1 79% | 1 82% | 2 88% | 0 88% | 1 91% | 2 97% | 0 97% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 7 | 7.61 | 0 0.00% | 0 0.00% | 0 0.0% | 1 14.3% | 0 14.3% | 1 28.6% | 0 28.6% | 2 57% | 0 57% | 1 71% | 0 71% | 0 71% | 0 71% | 0 71% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| X-Men #109 (1978, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 6% 209 9.8 | 14% 442 9.6 | 16% 516 9.4 | 11% 368 9.2 | 11% 363 9.0 | 10% 340 8.5 | 7% 242 8.0 | 6% 197 7.5 | 6% 183 7.0 | 3% 103 6.5 | 3% 112 6.0 | 2% 61 5.5 | 1% 45 5.0 | 1% 32 4.5 | 1% 26 4.0 | 0% 9 3.5 | 0% 6 3.0 | 0% 5 2.5 | 0% 2 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 1 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||