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DC ⋅ 1956

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DC ⋅ 1956

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Low
$45
Mid
$135
High
$480

Key Facts

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

DC ⋅ 1956

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DC ⋅ 1956

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Error ⋅ DC ⋅ 1956

Low
$35
Mid
$115
High
$300

Key Facts

Variant error cover, incorrectly numbered as issue #233

DC ⋅ 1956

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Low
$30
Mid
$135
High
$390

Key Facts

'Death of Superman' story

DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1957

Values Coming Soon

DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1957

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DC ⋅ 1958

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DC ⋅ 1958

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DC ⋅ 1958

Values Coming Soon
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

[May 2023 - Brainiac rumored for Superman Legacy]

International ⋅ DC ⋅ 1959

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Key Facts

Mexican Edition published by Editorial Novaro

DC ⋅ 1958

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DC ⋅ 1958

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DC ⋅ 1958

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DC ⋅ 1958

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DC ⋅ 1958

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Low
$40
Mid
$115
High
$400

Key Facts

1st appearance of Congorilla, formerly Congo Bill

DC ⋅ 1958

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DC ⋅ 1959

Values Coming Soon
Low
$10
Mid
$30
High
$100

Key Facts

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

Low
$1.5k
Mid
$5k
High
$15k

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

[December 2023 - Milly Alcock as Supergirl rumored to be introduced in Superman before leading her own film]

Low
$70
Mid
$205
High
$765

Key Facts

2nd appearance of Supergirl

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

Low
$70
Mid
$350
High
$910

Key Facts

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

Low
$60
Mid
$180
High
$600

Key Facts

1st appearance of Bizarro Lois Lane

Low
$20
Mid
$60
High
$205

Key Facts

1st appearance of Dick Wilson, later Dick Malverne, a love interest of Supergirl

DC ⋅ 1959

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DC ⋅ 1959

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Key Facts

2nd cover appearance of Supergirl

DC ⋅ 1959

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DC ⋅ 1959

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Low
$35
Mid
$100
High
$325

Key Facts

1st appearance of Streaky the Supercat

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

Low
$45
Mid
$140
High
$450

Key Facts

Introduction of Bizarro World

DC ⋅ 1960

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DC ⋅ 1960

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DC ⋅ 1960

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