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Justice League of America #78 cover
Cover: Gil Kane & Murphy Anderson

Justice League of America #78

Feb 1970 · DC · 0.15 USD
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In "The Coming of the Doomsters," Denny O'Neil and Dick Dillin deliver a timely, grounded tale as the retired Vigilante returns to action, seeking the Justice League of America's aid in uncovering the truth behind a mysterious factory spewing nothing but air and water pollution. With the League now operating from their new satellite headquarters—22,300 miles above the U.S.—the stage is set for a story that blends environmental concern with superhero resolve, all rendered with the crisp energy of Gil Kane and Murphy Anderson’s dynamic cover.

Contains 2 stories
The Coming of the Doomsters
21.83 pp · Superhero
Justice League of America [JLAAtom [Ray Palmer]Batman [Bruce Wayne]Black Canary [Dinah Drake]Green Arrow [Oliver Queen]Green Lantern [Hal Jordan]Hawkman [Katar HolCarter Hall]Superman [Clark KentKal-El]]The Vigilante [Greg Sanders]Jason CrassChokh (villain)The Doomsters (first appearancevillains)

When the Vigilante returns from retirement to warn the Justice League about a factory spewing nothing but air and water pollution, the team relocates to their new satellite headquarters, 22,300 miles above the U.S., ready to investigate the mystery.

The Man Who Hated Science!
4 pp · Science Fiction

In "The Man Who Hated Science!", Professor Mason Halloway builds a time machine and journeys to the future, only to witness a world scarred by the unintended consequences of the X-ray’s discovery. The story follows his growing dread as he confronts the chilling truth behind scientific progress he once championed.

ComicBooks.com Value

Our Model is In Beta
Raw (Fine) $16
CGC 9.8 · 5 in census $722
CGC 9.6 · 27 in census $216
CGC 9.4 · 28 in census $113
CGC 9.2 · 16 in census $81
CGC 9.0 · 11 in census $65*
CGC 8.5 · 8 in census $49
Show all 17 grades
CGC 8.0 · 4 in census $47
CGC 7.5 · 5 in census $43*
CGC 7.0 · 4 in census $36
CGC 6.5 · 2 in census $33*
CGC 6.0 · 3 in census $32*
CGC 5.5 · 2 in census $25*
CGC 5.0 none in existence
CGC 4.5 · 1 in census $21*
CGC 4.0 none in existence
CGC 3.5 · 2 in census $20*
CGC 3.0 · 1 in census $20*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

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CGC 5.5 $78 1 listing Raw — VF $23.77 1 listing Raw — FN $63 1 listing Raw — VG $20 1 listing
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Full credits

cover pencils, inks Gil Kane
cover pencils, inks Murphy Anderson

Reprints

↩ Reprints Mystery in Space #6 (1952)

Reprinted in Superman Presents Tip Top Comic Monthly #61 (1970), Supermann #15/1970 (1970), Batman #584 (1971), Justice League of America Archives #9 (2005), Showcase Presents: Justice League of America #4 (2009), Justice League of America: The Bronze Age Omnibus #1 (2017), Justice League of America: The Last Survivors of Earth #[nn] (2019)

Key issues in Justice League of America

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