X-Men #221 CGC 9.8
1st appearance of Mr. Sinister, Havok vs. Wolverine cover, X-Men vs Marauders story
X-Men #221 CGC 9.6
1st appearance of Mr. Sinister, Havok vs. Wolverine cover, X-Men vs Marauders story
X-Men #221 CGC 9.4
1st appearance of Mister Sinister! X-Men and Wolverine cover and story, Chris Claremont and Marc Silvestri
X-Men #221 NM+ (9.6)
1st appearance of Mister Sinister! X-Men and Wolverine cover and story, Chris Claremont and Marc Silvestri
X-Men #244 CGC 9.4
1st appearance of Jubilee! Chris Claremont and Marc Silvestri
X-Men #244 CGC 9.6
1st appearance of Jubilee! Chris Claremont and Marc Silvestri
X-Men #244 CGC 9.8
1st appearance of Jubilee! X-Men cover and story by Chris Claremont and Marc Silvestri
X-Men #256 VF (8.0)
1st appearance of the New Ninja Psylocke! X-Men vs the Mandarin cover and story, Jim Lee art
X-Men #266 NM (9.4)
1st full appearance of Gambit (See X-Men annual #14 for first cameo appearance).
X-Men #266 CGC 9.6
1st appearance of Gambit! X-Men and Storm cover and story
X-Men #268 CGC 9.8
Highest CertifiedWolverine, Captain America, and Black Widow cover and story with art by Jim Lee
Uncanny X-Men #317 NM (9.4)
1st appearance of Blink, art by Joe Madueira, X-Men cover and story, might make 9.6
X-Men Annual #1 VF- (7.5)
X-Men vs. the Avengers cover and story, origin of Professor X
X-Men Annual #1 VF (8.0)
X-Men vs. the Avengers cover and story, origin of Professor X
X-Men Annual #2 VF+ (8.5)
Very nice issue, X-Men cover and story, improvable
X-Men Annual #14 VF/NM (9.0)
1st appearance of Gambit in a cameo appearance. 1 week before X-Men #266.
Young Men #24 G- (1.8)
Origin of Captain America, Sub-Mariner, and Human Torch, 1st revival since the Golden Age, John Romita draws Captain America (his first work since coming back from the war), Bill Everett art on Subby, presents well for the grade, spine is pretty ragged and partially split at bottom