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Action Comics #251 cover
Cover: Curt Swan & Stan Kaye

Action Comics #251

Apr 1959 · DC · 0.10 USD
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In "The Oldest Man in Metropolis!", Clark Kent accidentally ages into a 70-year-old man after drinking a life-extending serum laced with Kryptonite, forcing Superman to take on impossible roles—from the Old Man of the Sea to Santa Claus and even Father Time—just to keep his identity hidden. Written by Robert Bernstein and brought to life with warm, expressive art by Al Plastino, this 1959 classic sees the Man of Steel navigating the absurdity of aging while maintaining his heroic duties. The cover, by Curt Swan and Stan Kaye, captures the whimsical yet poignant tone of the tale.

Contains 4 stories
The Oldest Man in Metropolis!
12.67 pp · Superhero
SupermanProf. VancePerry WhiteLois LaneJimmy OlsenSuperman robotThe Clock (villain)

In "The Oldest Man in Metropolis!", Clark Kent accidentally ages into a 70-year-old man after consuming Prof. Vance's life-extending serum laced with Kryptonite. Forced to maintain his superhero duties while appearing as the Old Man of the Sea, Santa Claus, and Father Time, he must keep his true identity hidden—using disguises and ingenuity to protect Metropolis, even as his body betrays him.

Congorilla, Outlaw!
5.67 pp · Jungle, Superhero
CongorillaCongo BillCorliss Hyde (villain)

In "Congorilla, Outlaw!" from Action Comics #251 (1959), Congo Bill—transformed into the mighty Congorilla—races to save a plane crash survivor in the jungle, only to be outsmarted by the cunning murderer Corliss Hyde. With a stolen gas grenade and a deadly collar, Hyde forces the beast to become a criminal, turning his strength against the world he once protected.

Untitled Humor story
0.67 pp · Humor, Teen
PegAlan
The Giant Amoeba of Space!
6.67 pp · Science Fiction
Tommy TomorrowBrent Wood

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $36
CGC 9.4 · 3 in census $2,150
CGC 9.2 · 3 in census $916
CGC 9.0 · 1 in census $672*
CGC 8.5 · 4 in census $466
CGC 8.0 · 5 in census $339
CGC 7.5 · 9 in census $294
Show all 20 grades
CGC 7.0 · 12 in census $236
CGC 6.5 · 6 in census $182
CGC 6.0 · 5 in census $176*
CGC 5.5 · 7 in census $138*
CGC 5.0 · 7 in census $129
CGC 4.5 · 5 in census $97
CGC 4.0 · 3 in census $97*
CGC 3.5 · 3 in census $90*
CGC 3.0 · 2 in census $70*
CGC 2.5 · 1 in census $61*
CGC 2.0 · 1 in census $47*
CGC 1.5 none in existence
CGC 1.0 none in existence
CGC 0.5 · 1 in census $29*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

More listings for this title

VERY GOOD $5.49 FR $31 VG $59.99 VG $74.99 FN $89.95 VERY GOOD $110 VG $116.96 VG $123
Related listings we couldn't confirm as this exact issue · 29 total · seen 34 days ago

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Full credits

artist, inker Al Plastino
cover pencils Curt Swan
cover inks Stan Kaye

Reprints

↩ Reprints Action Comics #156 (1951)

Reprinted in Stålmannen #7/1959 (1959), Big Boss #54 (1961), Superman Annual #3 (1961), Superman in Action Comics #1 (1993), The Silver Age of Superman The Greatest Covers of Action Comics from the '50s to the '70s #[nn] (1995), Showcase Presents: Superman #1 (2005), Superman: The Man of Tomorrow Archives #2 (2006), Supergirl: The Silver Age Omnibus #1 (2016), Supergirl: The Silver Age #1 (2017), DC Finest: Supergirl: The Girl of Steel #[nn] (2025)

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