Giant Size X-Men (Marvel 1975)
Giant-Size X-Men #1 CGC 5.5 Off-White pages 1st appearance of Storm, Nightcrawler, Colossus, and Thunderbird 2nd full appearance of Wolverine
Giant-Size X-Men #1 CGC 5.5 Off-White pages 1st appearance of Storm, Nightcrawler, Colossus, and Thunderbird 2nd full appearance of Wolverine