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DC ⋅ 1955

Low
$50
Mid
$145
High
$485

DC ⋅ 1955

Low
$75
Mid
$220
High
$735

DC ⋅ 1955

Low
$70
Mid
$210
High
$695

DC ⋅ 1955

Low
$80
Mid
$245
High
$820

DC ⋅ 1955

Low
$60
Mid
$180
High
$600

DC ⋅ 1956

Low
$35
Mid
$100
High
$330

DC ⋅ 1956

Low
$60
Mid
$180
High
$600

DC ⋅ 1956

Low
$35
Mid
$100
High
$325

DC ⋅ 1956

Low
$40
Mid
$125
High
$420

DC ⋅ 1956

Low
$35
Mid
$105
High
$345

DC ⋅ 1956

Low
$35
Mid
$100
High
$330

DC ⋅ 1956

Low
$40
Mid
$125
High
$410
Low
$45
Mid
$135
High
$480

Key Facts

First issue of Action Comics published during the Silver-Age (1956-1970)

DC ⋅ 1956

Low
$35
Mid
$100
High
$330

DC ⋅ 1956

Low
$40
Mid
$115
High
$380

Error ⋅ DC ⋅ 1956

Low
$35
Mid
$115
High
$300

Key Facts

Variant error cover, incorrectly numbered as issue #233

DC ⋅ 1956

Low
$30
Mid
$85
High
$275
Low
$30
Mid
$135
High
$390

Key Facts

'Death of Superman' story

DC ⋅ 1957

Low
$40
Mid
$115
High
$375

DC ⋅ 1957

Low
$25
Mid
$75
High
$250

DC ⋅ 1957

Low
$20
Mid
$60
High
$205

DC ⋅ 1957

Low
$55
Mid
$170
High
$565

DC ⋅ 1957

Low
$25
Mid
$70
High
$235

DC ⋅ 1957

Low
$35
Mid
$105
High
$345

DC ⋅ 1957

Low
$40
Mid
$115
High
$380

DC ⋅ 1957

Low
$35
Mid
$110
High
$360

DC ⋅ 1957

Low
$35
Mid
$110
High
$365

DC ⋅ 1957

Low
$35
Mid
$105
High
$345

DC ⋅ 1957

Low
$20
Mid
$60
High
$205

DC ⋅ 1957

Low
$35
Mid
$100
High
$330

DC ⋅ 1958

Low
$35
Mid
$110
High
$370

DC ⋅ 1958

Low
$45
Mid
$130
High
$440

DC ⋅ 1958

Low
$45
Mid
$135
High
$450
Low
$120
Mid
$400
High
$1.2k

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

Low
$1k
Mid
$3k
High
$10k

Key Facts

1st appearance and origin of Brainiac

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

[December 2025 - James Gunn posted anti Instagram confirming Lars Edinger will portray Brainiac]

International ⋅ DC ⋅ 1959

Low
$780
Mid
$2.3k
High
$7.8k

Key Facts

Mexican Edition published by Editorial Novaro

DC ⋅ 1958

Low
$30
Mid
$85
High
$285

DC ⋅ 1958

Low
$50
Mid
$155
High
$510

DC ⋅ 1958

Low
$25
Mid
$70
High
$225

DC ⋅ 1958

Low
$20
Mid
$65
High
$210

DC ⋅ 1958

Low
$45
Mid
$130
High
$425
Low
$40
Mid
$115
High
$400

Key Facts

1st appearance of Congorilla, formerly Congo Bill

DC ⋅ 1958

Low
$35
Mid
$110
High
$360

DC ⋅ 1959

Low
$45
Mid
$135
High
$445
Low
$35
Mid
$110
High
$350

Key Facts

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

Low
$900
Mid
$2.8k
High
$9k

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

Foil ⋅ DC ⋅ 2025

Low
$1
Mid
$2
High
$7

Blank ⋅ DC ⋅ 2025

Low
$1
Mid
$2
High
$5

Facsimile ⋅ DC ⋅ 2025

Low
$1
Mid
$2
High
$4

Facsimile • Comic Kingdom ⋅ DC ⋅ 2025

Low
$1
Mid
$5
High
$15
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