Key Collector Comics

Action Comics  (1938)

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Action Comics #204
Non-Key

DC ⋅ 1955

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Action Comics #204
 
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$65
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Action Comics #232
Non-Key

DC ⋅ 1957

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Action Comics #232
 
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$40
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$120
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$400
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Action Comics #233
Non-Key

DC ⋅ 1957

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Action Comics #233
 
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$40
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$115
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$380
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Action Comics #241

DC ⋅ 1958

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Action Comics #241
 
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Key Facts

Introduction of the Fortress of Solitude

A prototype version of Superman's headquarters was introduced in Superman #17 and the name was mentioned in Superman #58

Action Comics #275

DC ⋅ 1961

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Action Comics #275
 
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$18
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$60
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Key Facts

First mention of Superman's Heat Vision power - previous issues demonstrated his X-Ray vision having powers to melt glaciers

Debut of Red/Green Kryptonite - causes mutations including an extra eye on the back of Superman's head

Action Comics #278
Non-Key

DC ⋅ 1961

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Action Comics #278
 
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$12
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$135
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