The X-Men ##21
Marvel Comics • The X-Men Vol. 1
Writer
Roy Thomas
Interior Artist
Jay Gavin (Werner Roth)
Cover Artist
Jack Kirby and Werner Roth
Publication Date
June 1966
Cover Variant
Regular
Printing
First Printing
Comic Description
In this story titled 'From Whence Comes... Dominus!', the X-Men (Cyclops, Marvel Girl, Angel, Beast, and Iceman) battle Lucifer and his advanced computer system, Dominus, which is capable of mind control. It features a key battle between Professor X and Lucifer, revealing more of their historical rivalry.
Condition & Value
Condition Grade
Very Fine- (CGC 7.5)
Condition Details
Visible spine stress/ticks along the left edge, slight color breaking crease in the upper right corner, and minor blunting on the bottom right corner. Light tanning appearing along the edges of the white cover stock.
Estimated Market Value
Raw: $150 - $250; Graded CGC 7.5: $350 - $450
Recent Sales
CGC 7.5 copies have recently sold between $360 and $420. Raw copies in similar mid-to-high grade condition typically sell for $180-$225 depending on page color.
Grading Recommendation
Highly Recommended. Since this is a Silver Age key-adjacent issue in high grade, professionally grading it would protect its value. A professional cleaning and press could potentially push this into the 8.0/8.5 range.
Notable Features
Features an appearance by Lucifer. Iconic Silver Age cover composition. Note the 'IND' markings indicating independent distribution. Early Roy Thomas script.
Authentication Notes
Authentic 1966 Silver Age print. Correct 12-cent cover price, aged newsprint paper stock, and industry-standard staple placement for the era. No evidence of reproduction or restored edges.