Publisher

Publication Types

Era

Cover Types

Characters

Valuable Series

VALUABLE SERIES I A selection of Modern Age titles wherein each issue resells for over twice the original price.   Tap VIEW SERIES under each issue to link to the title.  Toggle NON-KEYS and VARIANTS to view the entirety of the series.  Many of the issues in these titles are valuable because demand exceeds inventory, usually because fewer copies were ordered than titles from bigger publishers.

DC Jun 2021

Supergirl: Woman of Tomorrow #1

Supergirl: Woman of Tomorrow #1
View Series Variants (8)
Low
$5
Mid
$15
High
$50
View on eBay
1st appearance of Krem of the Yellow Hills
1st appearance of Ruthye Marye Knoll, an ally of Supergirl
[January 2023 - DC Studios will develop a 'Supergirl: Woman of Tomorrow' titled movie project inspired by this series that sees Supergirl as a more aggressive hero after a traumatic upbringing / January 2024 - Milly Alcock cast as Supergirl / September 2024 - Matthias Schoenaerts cast as Krem]
IDW Jul 2010

G.I. Joe: A Real American Hero #156

G.I. Joe: A Real American Hero #156
View Series Variants (2)
Low
$2
Mid
$8
High
$20
View on eBay
Beginning of IDW publishing G.I. Joe: A Real American Hero series that began with Marvel in 1982
Preceded by the Free Comic Book Day G.I. Joe: A Real American Hero #155.5 (May 2010)

This series is still ongoing and later issues, published in 2022 and onward have yet to experience a consistent resale value higher than the original price

Image Apr 2005 Vol 2

The Pact #1

The Pact #1
View Series
Low
$3
Mid
$9
High
$30
View on eBay
Team-up of teenage superheroes: Invincible, Shadowhawk, Zephyr, Firebreather
Copies ordered by retailers: 5,211
Bongo Oct 1995

Treehouse of Horror #1

Treehouse of Horror #1
View Series
Low
$2
Mid
$8
High
$25
View on eBay
Premiere issue of the annual Simpsons Halloween event
Stories include: Little Shop of Homers, Bart People, Call Me Homer and 49 Things That Frightened and Disturbed Me When I Was a Kid by Matt Groening
Image Jan 2003

Invincible #1

Invincible #1
View Series Variants (115)
Low
$220
Mid
$840
High
$2.2K
View on eBay
1st appearance of Invincible
1st appearance of Omni-Man, the father of Invincible
1st appearance of Deborah Grayson, the mother of Invincible
1st appearance of Titan
1st appearance of William Clockwell, Invincible's best friend
1st appearance of David Hiles, a physics teacher
1st cameo appearance of Atom Eve
1st cameo appearance of Science Dog, on a comic cover being read by Mark
Copies ordered by retailers: 10,800
Antarctic Press May 1993

Genus #1

Genus #1
View Series
Low
$12
Mid
$45
High
$145
View on eBay
Mature content series based in the "furry" erotica genre of fantasy anthropomorphic characters
Marvel Feb 1995

Gargoyles #1

Gargoyles #1
View Series Variants (3)
Low
$8
Mid
$20
High
$80
View on eBay
1st appearance of Disney's Gargoyles in comic books
1st appearance of Demona, enemy of the Gargoyles
[October 2023 - James Wan to create a live-action series of Gargoyles for Disney+]
Disney Nov 1991

Darkwing Duck #1

Darkwing Duck #1
View Series Variants (4)
Low
$3
Mid
$9
High
$30
View on eBay
1st appearance of Darkwing Duck in comics
Premiere issue of a four-part limited series published by Disney
[November 2020 - Darkwing Duck is going to be rebooted with the possibility of Seth Rogen and Evan Goldberg producing]
United Plankton Pictures Feb 2011

SpongeBob Comics #1

SpongeBob Comics #1
View Series Variants (2)
Low
$18
Mid
$60
High
$180
View on eBay
1st full appearance of Spongebob Squarepants in standard U.S. comics
Previously appeared in Cine-Manga, Mad Magazine and other non-standard comic formats
Cameo appearance in Marvel Comics Presents #3 (2007 series)
A five-page preview of this issue is printed in The Simpsons #174
Marvel Nov 1993

Biker Mice From Mars #1

Biker Mice From Mars #1
View Series Variants (1)
Low
$2
Mid
$8
High
$20
View on eBay
1st team appearance of the Biker Mice From Mars: Throttle, Modo, Vinnie in comic books
Adapted from the 1993 animated series
[January 2023 - new ownership of the IP announced plans to reboot the toy line and develop an animated series]

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

No Results Found

Try adjusting the "Variants" search filter above, or disable "Keys Only" to see all issues.

  • Variant Covers ()

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe Learn what's included

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.