Key Collector Comics

Action Comics  (1938)

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Action Comics #240
Non-Key

DC ⋅ 1958

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Action Comics #240
 
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Non-Key Issue. No additional information is available.

Action Comics #243
Non-Key

DC ⋅ 1958

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Action Comics #243
 
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Non-Key Issue. No additional information is available.

Action Comics #244
Non-Key

DC ⋅ 1958

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Action Comics #244
 
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Non-Key Issue. No additional information is available.

Action Comics #245
Non-Key

DC ⋅ 1958

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Action Comics #245
 
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Non-Key Issue. No additional information is available.

Action Comics #246
Non-Key

DC ⋅ 1958

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Action Comics #246
 
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Non-Key Issue. No additional information is available.

Action Comics #247
Non-Key

DC ⋅ 1958

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Action Comics #247
 
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Non-Key Issue. No additional information is available.

Action Comics #249
Non-Key

DC ⋅ 1958

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Action Comics #249
 
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Non-Key Issue. No additional information is available.

Action Comics #250
Non-Key

DC ⋅ 1959

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Action Comics #250
 
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Non-Key Issue. No additional information is available.

Action Comics #251

DC ⋅ 1959

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Action Comics #251
 
Low
$10
Mid
$30
High
$100

Key Facts

Full page teaser ad of the first appearance of Supergirl in Action Comics #252

Action Comics #253

DC ⋅ 1959

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Action Comics #253
 
Low
$70
Mid
$205
High
$765

Key Facts

2nd appearance of Supergirl

As of April 2024, CGC census states: only 8 copies grade higher

Action Comics #254

DC ⋅ 1959

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

Key Facts

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

Action Comics #256
Non-Key

DC ⋅ 1959

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Action Comics #256
 
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Non-Key Issue. No additional information is available.

Action Comics #257
Non-Key

DC ⋅ 1959

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Action Comics #257
 
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Non-Key Issue. No additional information is available.

Action Comics #258
Non-Key

DC ⋅ 1959

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Action Comics #258
 
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Non-Key Issue. No additional information is available.

Action Comics #260
Non-Key

DC ⋅ 1959

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Action Comics #260
 
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Non-Key Issue. No additional information is available.

Action Comics #262

DC ⋅ 1960

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Action Comics #262
 
Low
$15
Mid
$50
High
$160

Key Facts

Introduction of the concept that Kryptonians derive their powers from Earth's yellow sun

Introduction of the concept that Kryptonians are as powerful as ordinary humans under their native planet's red sun

Action Comics #264
Non-Key

DC ⋅ 1960

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Action Comics #264
 
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Non-Key Issue. No additional information is available.

Action Comics #265
Non-Key

DC ⋅ 1960

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Action Comics #265
 
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Non-Key Issue. No additional information is available.

Action Comics #266
Non-Key

DC ⋅ 1960

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Action Comics #266
 
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Non-Key Issue. No additional information is available.

Action Comics #268
Non-Key

DC ⋅ 1960

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Action Comics #268
 
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Non-Key Issue. No additional information is available.

Action Comics #269
Non-Key

DC ⋅ 1960

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Action Comics #269
 
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Non-Key Issue. No additional information is available.

Action Comics #270
Non-Key

DC ⋅ 1960

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Action Comics #270
 
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Non-Key Issue. No additional information is available.

Action Comics #271
Non-Key

DC ⋅ 1960

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Action Comics #271
 
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Non-Key Issue. No additional information is available.

Action Comics #272
Non-Key

DC ⋅ 1960

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Action Comics #272
 
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Non-Key Issue. No additional information is available.

Action Comics #273
Non-Key

DC ⋅ 1960

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Action Comics #273
 
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Non-Key Issue. No additional information is available.

Action Comics #274
Non-Key

DC ⋅ 1961

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Action Comics #274
 
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Non-Key Issue. No additional information is available.

Action Comics #275

DC ⋅ 1961

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Action Comics #275
 
Low
$12
Mid
$40
High
$130

Key Facts

Debut of Red/Green Kryptonite

Causes mutations, an extra eye on the back of Superman's head in this issue

Action Comics #276

DC ⋅ 1961

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Action Comics #276
 
Low
$120
Mid
$400
High
$1.2k

Key Facts

1st appearance of Sun Boy, a solar-powered member of the Legion of Super-Heroes

1st appearance of Phantom Girl, a member of the Legion of Super-Heroes who has the ability to phase through objects

1st appearance of Triplicate Girl, a member of the Legion of Super-Heroes who can split into three identical bodies

1st appearance of Bouncing Boy, a density-changing member of the Legion of Super-Heroes

1st appearance of Shrinking Violet, a member of the Legion of Super-Heroes who can shrink to sub-atomic size

1st appearance of Braniac 5, a genius and time-traveling member of the Legion of Super-Heroes

Supergirl joins the Legion of Super-Heroes

Action Comics #277
Non-Key

DC ⋅ 1961

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Action Comics #277
 
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Non-Key Issue. No additional information is available.

Action Comics #278
Non-Key

DC ⋅ 1961

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Action Comics #278
 
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Non-Key Issue. No additional information is available.

Action Comics #279
Non-Key

DC ⋅ 1961

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Action Comics #279
 
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Non-Key Issue. No additional information is available.

Action Comics #280
Non-Key

DC ⋅ 1961

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Action Comics #280
 
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Non-Key Issue. No additional information is available.

Action Comics #281
Non-Key

DC ⋅ 1961

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Action Comics #281
 
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Non-Key Issue. No additional information is available.

Action Comics #282
Non-Key

DC ⋅ 1961

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Action Comics #282
 
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Non-Key Issue. No additional information is available.

Action Comics #283
Non-Key

DC ⋅ 1961

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Action Comics #283
 
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Non-Key Issue. No additional information is available.

Action Comics #284
Non-Key

DC ⋅ 1961

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Action Comics #284
 
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Non-Key Issue. No additional information is available.

Action Comics #285

DC ⋅ 1962

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Action Comics #285
 
Low
$20
Mid
$65
High
$340

Key Facts

Supergirl is introduced to the world

Classic cover art by Curt Swan

Action Comics #286
Non-Key

DC ⋅ 1962

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Action Comics #286
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #287
Non-Key

DC ⋅ 1962

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Action Comics #287
 
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Non-Key Issue. No additional information is available.

Action Comics #288
Non-Key

DC ⋅ 1962

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Action Comics #288
 
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Non-Key Issue. No additional information is available.

Action Comics #289
Non-Key

DC ⋅ 1962

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Action Comics #289
 
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Non-Key Issue. No additional information is available.

Action Comics #290
Non-Key

DC ⋅ 1962

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Action Comics #290
 
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Non-Key Issue. No additional information is available.

Action Comics #291

DC ⋅ 1962

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

Key Facts

First meeting of Supergirl and Mr. Mxyzptlk

Action Comics #292
Non-Key

DC ⋅ 1962

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Action Comics #292
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #294
Non-Key

DC ⋅ 1962

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Action Comics #294
 
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Non-Key Issue. No additional information is available.

Action Comics #295
Non-Key

DC ⋅ 1962

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Action Comics #295
 
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Non-Key Issue. No additional information is available.

Action Comics #296
Non-Key

DC ⋅ 1962

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Action Comics #296
 
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Non-Key Issue. No additional information is available.

Action Comics #297
Non-Key

DC ⋅ 1962

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Action Comics #297
 
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Non-Key Issue. No additional information is available.

Action Comics #298
Non-Key

DC ⋅ 1963

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Action Comics #298
 
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Non-Key Issue. No additional information is available.

Action Comics #299
Non-Key

DC ⋅ 1963

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Action Comics #299
 
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Non-Key Issue. No additional information is available.
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