$100.00
| Issue Number | 221 | Publisher | Marvel / Timely / Atlas |
| Comic Age | Copper Age 1984-1994 | Collection/Pedigree | N/A |
| Condition | 9.0 Very Fine / Near Mint | Grading Company | CGC |
| Page Quality | WHITE | Seal Rating | N/A |
X-MEN #221 CGC 9.0 WHITE PAGES
1st appearance of Mister Sinister