Key Collector Comics

Showcase  (1956)

Clicking on the eBay link and making a purchase may result in this site earning a commission from the eBay Partner Network.

Showcase #17
DC ⋅ 1958
View Details
Showcase #17
 
Price Trend
Low
$1k
Mid
$3k
High
$10k

Key Facts

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

🔮 DC Possibilities: James Gunn reviewed the 2020 Tom King series as a 'freaking masterpiece' and DC had previously shown interest in an HBO Max show with Adam Strange therefore Adam Strange overall has high potential

View more (2)

📣 Signature Auction: New High [Previous High]

7.5 sold for $10,200 [$2,810 in 2012] +263%

Showcase #18
DC ⋅ 1959
View Details
Showcase #18
 
Low
$80
Mid
$240
High
$1.4k

Key Facts

2nd appearance of Adam Strange

Showcase #19
DC ⋅ 1959
View Details
Showcase #19
 
Low
$90
Mid
$380
High
$1.6k

Key Facts

3rd appearance of Adam Strange

🥈 Runner-Up: New High [Previous High]

7.0 sold for $900 [$643 in 2023] +40%

Showcase #22
DC ⋅ 1959
View Details  ⋅  View Variants (4)
Showcase #22
 
Low
$2.2k
Mid
$7k
High
$35k

Key Facts

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

View more (1)

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

Showcase #22
Non-Key
Foil ⋅ DC ⋅ 2024
View Details
Showcase #22
 
Low
$1
Mid
$2
High
$6

Key Facts

Non-Key Issue. No additional information is available.

Showcase #22
Non-Key
Blank ⋅ DC ⋅ 2024
View Details
Showcase #22
 
Low
$1
Mid
$2
High
$5

Key Facts

Non-Key Issue. No additional information is available.

Showcase #22
Non-Key
Facsimile ⋅ DC ⋅ 2024
View Details
Showcase #22
 
Low
$1
Mid
$2
High
$4

Key Facts

Non-Key Issue. No additional information is available.

Showcase #23
DC ⋅ 1959
View Details
Showcase #23
 
Low
$180
Mid
$600
High
$1.8k

Key Facts

1st appearance of the Invisible Destroyer

2nd appearance of Green Lantern

2nd appearance of Carol Ferris

Showcase #24
DC ⋅ 1960
View Details
Showcase #24
 
Low
$145
Mid
$430
High
$2.7k

Key Facts

3rd appearance of Green Lantern

3rd appearance of Carol Ferris

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

Showcase #34
DC ⋅ 1961
View Details
Showcase #34
 
Low
$160
Mid
$850
High
$3.9k

Key Facts

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
View Details
Showcase #35
 
Low
$45
Mid
$135
High
$810

Key Facts

2nd appearance of the Atom

Showcase #36
DC ⋅ 1962
View Details
Showcase #36
 
Low
$35
Mid
$110
High
$600

Key Facts

3rd appearance of the Atom

Adjust Your Filters To See More Comics!

By default Key Collector searches for Standard Cover Key Issues.

Adjust the "Variants" and/or "Non-Key Issues" search filters above for additional content:

  • Variant Covers ([[totalVariants]])
  • Non-Key Issues ([[totalNonKeys]])

At Key Collector, our primary focus is on unearthing those rare Standard Cover Key Issues for you. However, the world of comic collectibles is vast and varied. We want to make sure you have the tools to explore it all!