X-MEN #66 - A key Bronze issue from Marvel published March 1970.
This is a significant issue: Last appearance of the original X-men team. Reprints begin with X-Men #67 and run until the NEW X-Men Team and stories are launched in Issue #94.
✦ CREATIVE TEAM
Writer: Roy Thomas
Penciler: Sal Buscema
Inker: Sam Grainger
Letterer: Artie Simek
Editor: Stan Lee
Cover_artist: Marie Severin
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✦ DETAILS
Publisher: Marvel
Era: Bronze
Volume: Volume 1
Significance: 1st Appearance of Hulk in X-Men Title
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✦ NOTABLE FACTS
Last appearance of the original X-men team. Reprints begin with X-Men #67 and run until the NEW X-Men Team and stories are launched in Issue #94