|  | 


| X-Men #128 | ||
| Marvel Comics, 12/79 | ||
| Chris Claremont story | Proteus appearance. | |
| John Byrne & Terry Austin art | ||
| George P?rez & 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 | 1,722 | 9.03 | 0 0.00% | 0 0.00% | 212 12.3% | 414 36.4% | 369 58% | 187 69% | 153 78% | 134 85% | 86 90% | 58 94% | 38 96% | 24 97% | 17 98% | 14 99% | 5 99% | 5 100% | 2 100% | 1 100% | 3 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 
| 1 BOOK | Signature | 121 | 9.04 | 0 0.00% | 0 0.00% | 26 21.5% | 25 42.1% | 18 57% | 14 69% | 8 75% | 12 85% | 7 91% | 4 94% | 2 96% | 1 97% | 1 98% | 0 98% | 2 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 
| 1 BOOK | Restored | 8 | 7.90 | 0 0.00% | 0 0.00% | 0 0.0% | 1 12.5% | 1 25.0% | 1 37.5% | 1 50% | 1 63% | 0 63% | 1 75% | 0 75% | 0 75% | 0 75% | 0 75% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 
| 1 BOOK | Qualified | 2 | 8.80 | 0 0.00% | 0 0.00% | 0 0.0% | 1 50% | 0 50% | 0 50% | 0 50% | 0 50% | 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% | 
| X-Men #128 (1979, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0%  0 10 | 0%  0 9.9 | 12%  212 9.8 | 24%  414 9.6 | 21%  369 9.4 | 11%  187 9.2 | 9%  153 9.0 | 8%  134 8.5 | 5%  86 8.0 | 3%  58 7.5 | 2%  38 7.0 | 1%  24 6.5 | 1%  17 6.0 | 1%  14 5.5 | 0%  5 5.0 | 0%  5 4.5 | 0%  2 4.0 | 0%  1 3.5 | 0%  3 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 | ||||||||||||||||||||||||

