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Gardner Fox

DC Aug 1963

Justice League of America #21

Justice League of America #21
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Low
$80
Mid
$200
High
$800
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First meeting of the Justice Society of America and the Justice League of America
First meeting of Green Arrow and Black Canary
First meeting and team-up of Alan Scott, the Golden Age Green Lantern and Hal Jordan, the Silver Age Green Lantern
1st appearance of Dr. Fate and Hourman in the Silver Age
2nd appearance of Chronos
"Crisis on Earth" part 1
DC Aug 1964

Justice League of America #29

Justice League of America #29
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Low
$60
Mid
$180
High
$625
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1st team appearance of the Crime Syndicate of America: Ultraman, Owlman, Power Ring, Super-Woman, Johnny Quick II
First mention of Volthoom, the first Lantern
[November 2023 - an inside source has disclosed to Key Collector Comics that Ultraman will be a villain in Superman Legacy and the Engineer will be working for Lex Luthor]
DC Mar 1965

Showcase #55

Showcase #55
View Series
Low
$35
Mid
$115
High
$350
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1st appearance of the Golden Age Green Lantern in the Silver age
1st appearance of Solomon Grundy in the Silver Age

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