The Uncanny X-Men (1978) No. 221
Publisher: Marvel
Cover Date: September 1987
Cover Price: $0.75
Writer: Chris Claremont
Penciller: Marc Silvestri
Cover Artist: Marc Silvestri
First Appearance: Mr. Sinister (Nathaniel Essex)
The Uncanny X-Men (1978) #221 FAQ
How much is The Uncanny X-Men (1978) #221 worth?
As of October 2026, a near-mint (9.4) raw copy is valued around $45.00; lower grades range from ~$4.50 (Good) to ~$31.50 (Very Fine).
Is The Uncanny X-Men (1978) #221 a key issue?
Yes — it is a key issue, featuring the first appearance of Mr. Sinister (Nathaniel Essex).
Who created The Uncanny X-Men (1978) #221?
The Uncanny X-Men (1978) #221 was written by Chris Claremont, pencilled by Marc Silvestri, with a cover by Marc Silvestri.
When was The Uncanny X-Men (1978) #221 published?
Marvel published it with a September 1987 cover date, originally priced at $0.75.
What is a high-grade copy of The Uncanny X-Men (1978) #221 worth?
A Near Mint (9.4) raw copy runs about $45.00. Graded (CGC) copies typically sell for more — available to members.
Price guide
Estimated values by grade, full graded (slab) prices, historical trends, and recent eBay sales for this issue.
The Uncanny X-Men (1978) #221 Value — Quick Raw Price Guide
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