John Broome

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Low $110
 | 
Mid $315
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High $1.3k
  • 1st appearance of Per Degaton
Low $155
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Mid $465
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High $1.7k
  • 1st appearance of Sky Pirate
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Mid $420
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High $1.5k
  • 2nd appearance of Sportsmaster
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Mid $340
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High $1.2k
  • Black Canary joins the JSA
Low $115
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Mid $340
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High $1.2k
  • Debut of a new Atom costume
  • Debut of a new Hawkman costume
Low $170
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Mid $510
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High $1.9k
  • Final of Dr. Mid-Nite, The Flash and Green Lantern in the Golden Age
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Mid $825
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High $3.8k
  • 1st appearance of The Phantom Stranger
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Mid $700
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High $2.6k
  • 3rd appearance of The Phantom Stranger
  • Scarce issue
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Mid $700
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High $2.6k
  • Scarce issue
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Mid $1.6k
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High $14k
  • 1st appearance and origin of Mirror Master
  • Barry Allen appears for the first time in the Flash title
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Mid $700
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High $5k
  • 1st appearance and origin of Gorilla Grodd, an ape with genius intellect and telepathic abilities
  • 1st appearance of the Pied Piper, uses sound to manipulate others
  • 1st appearance of Solovar, former ruler of Gorilla City
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  • 2nd appearance of Gorilla Grodd
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  • 3rd appearance of Gorilla Grodd
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Mid $7k
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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
  • 1st mention of the Green Lantern Corps
Low $75
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Mid $225
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High $1.4k
  • 2nd appearance of Mirror Master
Low $175
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Mid $520
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High $3.2k
  • 1st appearance of the Invisible Destroyer
  • 2nd appearance of Green Lantern
  • 2nd appearance of Carol Ferris
Low $155
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Mid $475
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High $3k
  • 1st appearance of Weather Wizard
  • 1st appearance of Kid Flash (Wally West)
Low $145
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Mid $430
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High $2.7k
  • 3rd appearance of Green Lantern
  • 3rd appearance of Carol Ferris
  • Green Lantern appears next in Green Lantern Vol. 2 #1
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Mid $180
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  • 1st appearance and origin of Elongated man
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High $680
  • 1st appearance and origin of Trickster
Low $40
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High $710
  • 1st team appearance and origin of Atomic Knights
Low $400
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Mid $1.2k
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High $9.3k
  • 1st appearance of Oa, the planetary headquarters of the Green Lantern Corps
  • 1st appearance of Puppet Master
  • 1st team appearance of the Guardians of the Universe
Low $40
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Mid $120
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High $670
  • 2nd appearance Captain Cold
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Mid $100
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High $540
  • 2nd appearance of Elongated man
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Mid $220
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High $1.3k
  • 1st appearance of Pieface
  • 1st team appearance of the Qwardians, later create the Yellow Power Ring used by Sinestro
  • 1st appearance of the Antimatter Universe
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  • 1st appearance and origin of Captain Boomerang
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  • Marriage of Elongated Man and Sue Dibny
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  • 1st appearance and origin of Hector Hammond
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  • 1st team-up of Kid Flash and Flash
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Mid $100
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High $590
  • 1st appearance of Tomar-Re. mentor to Hal Jordan and other Lanterns
Low $130
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Mid $750
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High $1.8k
  • 1st appearance and origin of Sinestro, known as the greatest of all Green Lanterns until it was discovered he used the power ring to enslave the sector he was charged to protect
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Mid $85
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  • 1st appearance of the Top
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Mid $95
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  • Special issue 5700 A.D. story
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Mid $65
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High $335
  • 2nd appearance of Captain Boomerang
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Mid $90
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High $475
  • 2nd appearance and 1st cover appearance of Sinestro
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  • Debut of the Cosmic Treadmill, a device invented by Barry Allen that allowed time travel
  • 1st team appearance of the Ornitho-Men, a race of creatures with avian bodies and human heads
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  • 1st appearance of Mirror World
Low $18
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Mid $55
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High $290
  • 1st appearance of Stel
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  • 1st appearance of Abra Kadabra, a time traveling magician from the 64th century
Low $30
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Mid $85
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High $465
  • 1st meeting of Flash (Barry Allen) and Green Lantern (Hal Jordan)
Low $15
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Mid $45
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High $230
  • 1st appearance and origin of Sonar
Low $15
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Mid $45
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High $125
  • Early crossover by Green Lantern (Hal Jordan)
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Mid $85
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High $465
  • 1st appearance and origin of Star Sapphire, Carol Ferris
Low $15
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Mid $45
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High $125
  • 2nd appearance of Abra Kadabra
Low $15
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Mid $45
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High $240
  • Debut of Kid Flash's yellow costume
Low $10
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Mid $30
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High $160
  • 1st appearance of Dr. Polaris
Low $30
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Mid $85
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High $465
  • Collected reprints of early key issues
Low $120
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Mid $525
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High $1.3k
  • 1st appearance and origin of Professor Zoom, Eobard Thawne AKA Reverse-Flash
Low $10
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High $160
  • 1st appearance and origin of Shark
Low $15
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Mid $45
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High $220
  • 1st appearance of Heat Wave
Low $12
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Mid $35
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High $190
  • Debut of Batman costume with yellow chest emblem
Low $12
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Mid $35
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High $180
  • 1st appearance of Black Hand
Low $10
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Mid $30
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High $160
  • 1st appearance of Katma Tui (Green Lantern Corps), replaced Sinestro as the Green Lantern of sector 1417
Low $12
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High $200
  • 2nd appearance of Professor Zoom
Low $9
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Mid $18
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High $70
  • 1st team appearance of The Rogues Gallery: Pied Piper, Mirror Master, The Top, Captain Cold, Captain Boomerang and Heat Wave
Low $10
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Mid $25
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High $130
  • 2nd appearance of Black Hand
Low $40
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Mid $125
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High $680
  • 1st appearance of Krona
  • Origin of the Guardians of the Universe and Infinite Earths
  • Golden Age vs Silver Age Green Lantern
Low $10
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Mid $35
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High $180
  • 1st appearance of Prince Peril and Princess Ramia
Low $5
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Mid $18
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High $80
  • 1st appearance of Dr. Tzin Tzin
Low $8
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Mid $20
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High $100
  • Marriage of Barry Allen and Iris West
Low $8
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Mid $20
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High $75
  • 1st appearance of Spellbinder, an illusionist
Low $2
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Mid $7
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High $20
  • 1st appearance of Zborra, a reptilian Green Lantern from Python IV
  • 1st appearance of Charley Vicker who becomes Green Lantern for a brief time in the next issue
Low $1
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Mid $4
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High $7
  • 1st appearance of Charlie Vicker as a Green Lantern
Low $8
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Mid $25
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High $110
  • Debut artwork on Batman by Neal Adams, inks over Carmine Infantino's pencils
Low $15
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Mid $50
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High $250
  • 1st appearance of Guy Gardner, Hal Jordan's backup
Low $6
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Mid $18
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High $80
  • Classic cover art by Neal Adams
Low $2
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Mid $8
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High $20
  • Origin of Penguin
Issue Low Mid High
All Star Comics #35 $110 $315 $1.3k
Green Lantern #27 $155 $465 $1.7k
Green Lantern #28 $140 $420 $1.5k
All Star Comics #41 $115 $340 $1.2k
All Star Comics #42 $115 $340 $1.2k
All Star Comics #57 $170 $510 $1.9k
Phantom Stranger #1 $300 $825 $3.8k
Phantom Stranger #3 $250 $700 $2.6k
Phantom Stranger #5 $250 $700 $2.6k
Flash #105 $450 $1.6k $14k
Flash #106 $190 $700 $5k
Flash #107 $105 $330 $2k
Flash #108 $90 $270 $1.6k
Showcase #22 $2.2k $7k $35k
Flash #109 $75 $225 $1.4k
Showcase #23 $175 $520 $3.2k
Flash #110 $155 $475 $3k
Showcase #24 $145 $430 $2.7k
Flash #112 $65 $180 $1.1k
Flash #113 $45 $115 $680
Strange Adventures #117 $40 $115 $710
Green Lantern #1 $400 $1.2k $9.3k
Flash #114 $40 $120 $670
Flash #115 $30 $100 $540
Green Lantern #2 $70 $220 $1.3k
Flash #117 $35 $110 $625
Flash #119 $25 $85 $450
Green Lantern #5 $35 $105 $600
Flash #120 $30 $100 $540
Green Lantern #6 $35 $100 $590
Green Lantern #7 $130 $750 $1.8k
Flash #122 $25 $85 $450
Green Lantern #8 $30 $95 $500
Flash #124 $20 $65 $335
Green Lantern #9 $30 $90 $475
Flash #125 $20 $60 $300
Flash #126 $20 $60 $300
Green Lantern #11 $18 $55 $290
Flash #128 $20 $60 $300
Green Lantern #13 $30 $85 $465
Green Lantern #14 $15 $45 $230
Flash #131 $15 $45 $125
Green Lantern #16 $30 $85 $465
Flash #133 $15 $45 $125
Flash #135 $15 $45 $240
Green Lantern #21 $10 $30 $160
Flash Annual #1 $30 $85 $465
Flash #139 $120 $525 $1.3k
Green Lantern #24 $10 $30 $160
Flash #140 $15 $45 $220
Detective Comics #327 $12 $35 $190
Green Lantern #29 $12 $35 $180
Green Lantern #30 $10 $30 $160
Flash #147 $12 $40 $200
Flash #155 $9 $18 $70
Green Lantern #39 $10 $25 $130
Green Lantern #40 $40 $125 $680
Green Lantern #45 $10 $35 $180
Detective Comics #354 $5 $18 $80
Flash #165 $8 $20 $100
Detective Comics #358 $8 $20 $75
Green Lantern #55 $2 $7 $20
Green Lantern #56 $1 $4 $7
Detective Comics #370 $8 $25 $110
Green Lantern #59 $15 $50 $250
Green Lantern #88 $6 $18 $80
Best of DC, The #10 $2 $8 $20