Showcase  (1956)

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Showcase #17

DC • 1958 • Vol. 1
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Showcase #17
 
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$600
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$1.8K
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$8K
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1st appearance and origin of Adam Strange

1st appearance of Alanna, daughter of Sardath

1st appearance of Sardath, a scientist from Rann who created Zeta-Beams

Showcase #18

DC • 1959 • Vol. 1
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Showcase #18
 
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$80
Mid
$240
High
$1.4K
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2nd appearance of Adam Strange

Showcase #19

DC • 1959 • Vol. 1
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Showcase #19
 
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$90
Mid
$380
High
$1.6K
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3rd appearance of Adam Strange

Showcase #22

DC • 1959 • Vol. 1
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Showcase #22
 
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$2.2K
Mid
$7K
High
$35K
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1st appearance and origin of Hal Jordan as Green Lantern

1st appearance Carol Ferris, later becomes the second Star Sapphire

1st appearance and death of Abin Sur, an alien who gave Hal his ring as he died

First mention of the Green Lantern Corps

[January 2023 - Hal Jordan and John Stewart will lead a new Green Lantern TV series inspired by True Detective]

Showcase #22

DC • 2024 • Vol. 1
Non-Key
Foil
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Showcase #22
 
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$1
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$2
High
$6
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Showcase #22

DC • 2024 • Vol. 1
Non-Key
Blank
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Showcase #22
 
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$1
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$2
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$5
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Showcase #22

DC • 2024 • Vol. 1
Non-Key
Facsimile
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Showcase #22
 
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$1
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$2
High
$4
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Showcase #23

DC • 1959 • Vol. 1
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Showcase #23
 
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$180
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$600
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$1.8K
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1st appearance of the Invisible Destroyer

2nd appearance of Green Lantern

2nd appearance of Carol Ferris

Showcase #24

DC • 1960 • Vol. 1
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Showcase #24
 
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$145
Mid
$430
High
$2.7K
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3rd appearance of Green Lantern

3rd appearance of Carol Ferris

Green Lantern appears next in Green Lantern Vol. 2 #1

Showcase #34

DC • 1961 • Vol. 1
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Showcase #34
 
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$160
Mid
$850
High
$3.9K
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1st appearance and origin of The Atom aka Ray Palmer, in the Silver Age

1st appearance of Jean Loring, girlfriend of Ray Palmer

Showcase #35

DC • 1961 • Vol. 1
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Showcase #35
 
Low
$45
Mid
$135
High
$810
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2nd appearance of the Atom

Showcase #36

DC • 1962 • Vol. 1
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Showcase #36
 
Low
$35
Mid
$110
High
$600
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3rd appearance of the Atom

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