Uncanny X-Men #239 Marvel 1988 (VF/NM) 1st Cover App. of Mr. Sinister
Uncanny X-Men #239 Marvel 1988 (VF/NM) 1st Cover App. of Mr. Sinister
Uncanny X-Men #239 Marvel 1988 (VF/NM) 1st Cover App. of Mr. Sinister