Low $12
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Mid $40
 | 
High $125
  • First use of Namor's battle phrase, 'Imperious Rex'
  • Decades later, when Thor asks Namor the meaning of the phrase, Namor answers, 'It means I’m going to feed your sorry Asgardian hide to the biggest sharks I can find.'
  • 1st appearance of Behemoth, a protector of Atlantis
Details
Publisher Marvel
Published March 1966
Written By Stan Lee
Illustrated By Jack Kirby