Uncanny X-Men #221 CGC 9.4 1st appearance of Mister Sinister
Uncanny X-Men #221 CGC 9.4 1st appearance of Mister Sinister
16665

Uncanny X-Men #221 CGC 9.4 1st appearance of Mister Sinister

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Era Copper Age (1980-1991)
Grading CGC
Area of Interest Super-hero, Uncanny X-Men, 1st appearance, Mister Sinister, Marauders
Grade 9.4
Genre Super-hero
Page Color WHITE Pages
Date Published 9/87
Issue Number 221
Slab Designation Universal
Other Information 1st appearance of Mister Sinister (Nathaniel Essex). Marauders appearance.