X-Men #130 (Newsstand) VF/NM (9.0)
1st appearance of the Dazzler! X-Men cover and story by Chris Claremont and John Byrne
X-Men #131 VF/NM (9.0)
1st Emma Frost cover, X-Men vs. the White Queen cover and story by Chris Claremont and John Byrne
X-Men #131 NM (9.4)
1st Emma Frost cover, X-Men vs the Hellfire club, Chris Claremont and John Byrne
X-Men #131 VF+ (8.5)
1st Emma Frost cover, X-Men vs. the White Queen cover and story by Chris Claremont and John Byrne
X-Men #132 NM- (9.2)
X-Men vs. the Hellfire Club cover and story by Chris Claremont and John Byrne
X-Men #132 CGC 9.4
X-Men vs. the Hellfire Club cover and story by Chris Claremont with John Byrne art, Mastermind revealed, Hellfire Club appears
X-Men #132 NM- (9.2)
X-Men vs. the Hellfire Club cover and story by Chris Claremont and John Byrne, 24007
X-Men #133 (Newsstand) VF/NM (9.0)
X-Men & Wolverine vs. the Hellfire Club cover and story by Chris Claremont and John Byrne, Wolverine solo story!
X-Men #134 VF/NM (9.0)
1st Dark Phoenix, X-Men cover and story, Chris Claremont and John Byrne
X-Men #134 NM- (9.2)
X-Men vs Dark Phoenix and the Hellfire club cover and story by Chris Claremont and John Byrne, 1st Dark Phoenix!
X-Men #134 CGC 9.2
1st appearance of Dark Phoenix! X-Men vs. Dark Phoenix cover and story
X-Men #135 NM- (9.2)
Dark Phoenix vs. X-Men cover and story by Chris Claremont and John Byrne
X-Men #135 CGC 9.8
1st appearance of Senator Robert Kelly, White Pages, Dark Phoenix vs. the X-Men cover and story by Chris Claremont and John Byrne
X-Men #135 (Newsstand) NM- (9.2)
Dark Phoenix vs. X-Men cover and story by Chris Claremont and John Byrne
X-Men #136 VF/NM (9.0)
Classic Death of Dark Phoenix cover by John Byrne, X-Men cover and story
X-Men #137 NM- (9.2)
Death of Phoenix, X-Men cover and story by Chris Claremont and John Byrne
X-Men #137 (Newsstand edition) CGC 9.8
Highest CertifiedDeath of Phoenix (Jean Grey), X-Men cover and story by Chris Claremont and John Byrne
X-Men #137 (Newsstand edition) VF/NM (9.0)
X-Men Death of Phoenix cover and story by Chris Claremont and John Byrne
X-Men #137 CGC 9.8
Highest CertifiedDeath of Phoenix (Jean Grey), X-Men cover and story by Chris Claremont and John Byrne
X-Men #138 VF (8.0)
Cyclops quits! X-Men cover and story by Chris Claremont and John Byrne, History of the X-Men retold
X-Men #138 VF+ (8.5)
Cyclops quits! X-Men cover and story by Chris Claremont and John Byrne, History of the X-Men retold, likely improvable
X-Men #138 (Newsstand) CGC 9.4
X-Men cover and story, Cyclops quits, Funeral for Jean Grey, story by Chris Claremont and art by John Byrne!
X-Men #138 CGC 9.2
X-Men cover and story, Cyclops quits, Funeral for Jean Grey, story by Chris Claremont and art by John Byrne!