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Coming in June, we're hosting a CBCS 10th Anniversary Auction! Now accepting submissions of CBCS-graded comics for auction.

Auction in progress, bid now! Weekly Auction ends Monday May 27!

Comic books in 'Alien'

Guardians of the Galaxy #13A
Buy: $2.50
May 2014
Guardians of the Galaxy #13B
Buy: $123.00 to $284.99
May 2014
Guardians of the Galaxy #14A
Buy: $2.50
Jun 2014
Guardians of the Galaxy #15A
Buy: $2.50
Jul 2014
Guardians of the Galaxy #15B
Buy: $2.50
Sep 2014
Guardians of the Galaxy #17A
Buy: $2.50
Sep 2014
Guardians of the Galaxy #17B
Buy: $2.50
Sep 2014
Guardians of the Galaxy #18A
Buy: $2.50
Oct 2014
Guardians of the Galaxy #20A
Buy: $2.50
Dec 2014
Guardians of the Galaxy #21A
Buy: $2.50
Jan 2015
Guardians of the Galaxy #21B
Buy: $2.50
Jan 2015
Guardians of the Galaxy #22
Buy: $2.50
Feb 2015
Guardians of the Galaxy #23A
Buy: $4.80 to $275.00
Mar 2015
Guardians of the Galaxy #24A
Buy: $2.50
Apr 2015
Guardians of the Galaxy #24C
Buy: $2.50
Apr 2015
Guardians of the Galaxy #24D
Buy: $2.50
May 2015
Guardians of the Galaxy #25A
Buy: $2.50
May 2015
Guardians of the Galaxy #25B
Buy: $6.00
May 2015
Guardians of the Galaxy #26A
Buy: $2.50
Jun 2015
Guardians of the Galaxy #27A
Buy: $2.50
Jul 2015
Guardians of the Galaxy Annual #1A
Buy: $2.50
Feb 2015
Guardians of the Galaxy Annual #1B
Buy: $2.50 to $115.00
Feb 2015
Guardians of the Galaxy Free Comic Book Day #0
Buy: $2.50
May 2014
Guardians of the Galaxy and X-Men Black Vortex Alpha #1A
Buy: $2.50
Apr 2015
Guardians of the Galaxy and X-Men Black Vortex Alpha #1B
Buy: $2.50
Apr 2015
Guardians of the Galaxy Galaxy's Most Wanted #1A
Buy: $2.50 to $4.80
Sep 2014
Guardians of the Galaxy Galaxy's Most Wanted #1B
Buy: $6.49
Sep 2014
Guardians of the Galaxy Tomorrows Avengers #1A
Buy: $2.50
Sep 2013
Guide to the Aliens Universe #0
Buy: $8.49
1997
Gun Runner #3
Buy: $2.50
Dec 1993
Gun Runner #4
Buy: $2.50
Jan 1994
Guy Gardner Reborn #1
Buy: $2.50 to $58.00
May 1992
Guy Gardner Reborn #2
Buy: $3.20 to $4.00
Jun 1992
Guy Gardner Reborn #3
Buy: $3.20 to $4.00
Jul 1992
Guy Gardner Warrior #2
Buy: $2.50 to $62.00
Nov 1992
Guy Gardner Warrior #3
Buy: $2.50
Dec 1992
Guy Gardner Warrior #7
Buy: $2.50
Apr 1993
Guy Gardner Warrior #8
Buy: $2.50
May 1993
Guy Gardner Warrior #9
Buy: $2.50
Jun 1993
Guy Gardner Warrior #10
Buy: $2.50
Jul 1993
Guy Gardner Warrior #14
Buy: $2.50
Nov 1993
Guy Gardner Warrior #20
Buy: $2.50
May 1994
Guy Gardner Warrior #33
Buy: $2.50
Aug 1995
Guy Gardner Warrior #34
Buy: $3.00 to $4.00
Sep 1995
Guy Gardner Warrior #35
Buy: $2.50
Oct 1995
Guy Gardner Warrior Annual #1
Buy: $2.50
1995
Halo Escalation #2
Buy: $3.60 to $4.80
Jan 2014
Halo Escalation #5
Buy: $7.49 to $9.00
Apr 2014
Halo Escalation #12
Buy: $4.20 to $7.00
Nov 2014
Halo Escalation #13
Buy: $2.80
Dec 2014