Key Collector Comics

Action Comics  (1938)

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Action Comics #224
Non-Key

DC ⋅ 1956

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Action Comics #224
 
Low
$45
Mid
$135
High
$455
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Action Comics #225

DC ⋅ 1957

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Action Comics #225
 
Low
$30
Mid
$135
High
$390
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Key Facts

'Death of Superman' story

Action Comics #228
Non-Key

DC ⋅ 1957

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Action Comics #228
 
Low
$18
Mid
$55
High
$175
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Action Comics #229
Non-Key

DC ⋅ 1957

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Action Comics #229
 
Low
$60
Mid
$175
High
$575
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Action Comics #230
Non-Key

DC ⋅ 1957

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Action Comics #230
 
Low
$50
Mid
$145
High
$485
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Action Comics #242

DC ⋅ 1958

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Action Comics #242
 
Low
$1k
Mid
$3k
High
$10k
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Key Facts

1st appearance and origin of Brainiac

1st appearance of the Bottle City of Kandor, the capital city of Krypton

[August 2025 - a recently released Superman shows storyboards of scenes that imply Brainiac is or was being considered as a villain in the DCU / September 2025 - speculation flares up again surrounding Brainiac as the villian in the Superman sequel after James Gunn posted an image of the script to social media which shows an anatomical illustration of a human head including the brain - see additional images]

Action Comics #247
Non-Key

DC ⋅ 1958

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Action Comics #247
 
Low
$50
Mid
$155
High
$510
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Action Comics #249
Non-Key

DC ⋅ 1958

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Action Comics #249
 
Low
$35
Mid
$105
High
$350
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Action Comics #250
Non-Key

DC ⋅ 1959

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Action Comics #250
 
Low
$35
Mid
$100
High
$330
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Action Comics #252

DC ⋅ 1959

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Action Comics #252
 
Low
$1.5k
Mid
$5k
High
$15k
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Key Facts

1st appearance of Supergirl

1st appearance of Metallo

1st appearance of Zor-El, the father of Supergirl

1st appearance of Allura In-Ze, the mother of Supergirl

Action Comics #252
Non-Key

Foil ⋅ DC ⋅ 2025

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Action Comics #252
 
Low
$1
Mid
$2
High
$7
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Action Comics #252
Non-Key

Blank ⋅ DC ⋅ 2025

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Action Comics #252
 
Low
$1
Mid
$2
High
$5
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Action Comics #252
Non-Key

Facsimile ⋅ DC ⋅ 2025

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Action Comics #252
 
Low
$1
Mid
$2
High
$4
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Action Comics #254

DC ⋅ 1959

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Action Comics #254
 
Low
$70
Mid
$350
High
$910
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Key Facts

1st appearance and origin of Bizarro #1, an imperfect version of Superman

Action Comics #255

DC ⋅ 1959

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Action Comics #255
 
Low
$60
Mid
$180
High
$600
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Key Facts

1st appearance of Bizarro Lois Lane

Action Comics #259
Non-Key

DC ⋅ 1959

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Action Comics #259
 
Low
$20
Mid
$60
High
$205
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Action Comics #260
Non-Key

DC ⋅ 1959

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Action Comics #260
 
Low
$18
Mid
$55
High
$185
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Action Comics #271
Non-Key

DC ⋅ 1960

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Action Comics #271
 
Low
$12
Mid
$40
High
$135
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Action Comics #273
Non-Key

DC ⋅ 1960

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Action Comics #273
 
Low
$15
Mid
$45
High
$145
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Action Comics #281
Non-Key

DC ⋅ 1961

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Action Comics #281
 
Low
$15
Mid
$45
High
$155
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Action Comics #282
Non-Key

DC ⋅ 1961

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Action Comics #282
 
Low
$15
Mid
$45
High
$150
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Action Comics #289

DC ⋅ 1962

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Action Comics #289
 
Low
$15
Mid
$45
High
$145
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Key Facts

1st appearance of Luma Lunai, an alien woman whose powers would not function under the yellow sun of Earth

In the story where Supergirl attempts to find a wife for Superman, he discloses to here that he would marry her if Earth's laws allowed cousins to be wed - tap cover and swipe to view panel

Action Comics #291

DC ⋅ 1962

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Action Comics #291
 
Low
$15
Mid
$50
High
$150
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Key Facts

First meeting of Supergirl and Mr. Mxyzptlk

Action Comics #292
Non-Key

DC ⋅ 1962

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Action Comics #292
 
Low
$10
Mid
$30
High
$105
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Action Comics #293

DC ⋅ 1962

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Action Comics #293
 
Low
$10
Mid
$35
High
$175
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Key Facts

Origin of Comet the Superhorse

Action Comics #294
Non-Key

DC ⋅ 1962

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Action Comics #294
 
Low
$15
Mid
$45
High
$145
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Action Comics #296
Non-Key

DC ⋅ 1962

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Action Comics #296
 
Low
$10
Mid
$30
High
$100
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Action Comics #299
Non-Key

DC ⋅ 1963

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Action Comics #299
 
Low
$12
Mid
$35
High
$115
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Action Comics #300

DC ⋅ 1963

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Action Comics #300
 
Low
$10
Mid
$30
High
$170
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Key Facts

Milestone issue Action Comics issue #300

Action Comics #301
Non-Key

DC ⋅ 1963

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Action Comics #301
 
Low
$12
Mid
$35
High
$120
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Action Comics #302
Non-Key

DC ⋅ 1963

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Action Comics #302
 
Low
$12
Mid
$35
High
$120
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Action Comics #306
Non-Key

DC ⋅ 1963

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Action Comics #306
 
Low
$10
Mid
$35
High
$110
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Action Comics #308
Non-Key

DC ⋅ 1963

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Action Comics #308
 
Low
$10
Mid
$35
High
$110
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Action Comics #313
Non-Key

DC ⋅ 1964

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Action Comics #313
 
Low
$5
Mid
$15
High
$45
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Action Comics #314
Non-Key

DC ⋅ 1964

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Action Comics #314
 
Low
$10
Mid
$30
High
$105
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Action Comics #317
Non-Key

DC ⋅ 1964

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Action Comics #317
 
Low
$8
Mid
$25
High
$90
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Action Comics #320
Non-Key

DC ⋅ 1964

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Action Comics #320
 
Low
$8
Mid
$25
High
$80
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Action Comics #322
Non-Key

DC ⋅ 1965

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Action Comics #322
 
Low
$8
Mid
$25
High
$80
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Action Comics #323
Non-Key

DC ⋅ 1965

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Action Comics #323
 
Low
$8
Mid
$25
High
$90
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Action Comics #324
Non-Key

DC ⋅ 1965

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Action Comics #324
 
Low
$8
Mid
$25
High
$90
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Action Comics #328
Non-Key

DC ⋅ 1965

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Action Comics #328
 
Low
$8
Mid
$25
High
$90
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Action Comics #329
Non-Key

DC ⋅ 1965

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Action Comics #329
 
Low
$8
Mid
$25
High
$75
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Action Comics #332
Non-Key

DC ⋅ 1965

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Action Comics #332
 
Low
$8
Mid
$25
High
$80
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Action Comics #333
Non-Key

DC ⋅ 1965

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Action Comics #333
 
Low
$8
Mid
$20
High
$70
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Action Comics #334
Non-Key

DC ⋅ 1966

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Action Comics #334
 
Low
$8
Mid
$25
High
$85
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Action Comics #335
Non-Key

DC ⋅ 1966

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Action Comics #335
 
Low
$10
Mid
$30
High
$100
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Action Comics #337
Non-Key

DC ⋅ 1966

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Action Comics #337
 
Low
$8
Mid
$25
High
$80
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Action Comics #341
Non-Key

DC ⋅ 1966

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Action Comics #341
 
Low
$5
Mid
$18
High
$60
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Action Comics #345
Non-Key

DC ⋅ 1966

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Action Comics #345
 
Low
$8
Mid
$25
High
$75
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Action Comics #346
Non-Key

DC ⋅ 1966

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Action Comics #346
 
Low
$8
Mid
$25
High
$80
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