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The Adventures of Rex the Wonder Dog #11 cover
Cover: Gil Kane & Sy Barry

The Adventures of Rex the Wonder Dog #11

Sep 1953 · DC · 0.10 USD
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In "Rex, Dinosaur Destroyer!", a 1953 DC adventure, the atomic age collides with prehistoric wonder when Major Dennis, Danny, and Rex stumble upon a newly exposed lost valley after a bomb test in the American Southwest. With a Tyrannosaurus Rex on the rampage and a second explosion imminent, the trio flees into a hidden world teeming with dinosaurs—only to face the terrifying aftermath of science and time unraveling. Written by Robert Kanigher and brought to life with dynamic art by Gil Kane and Sy Barry, the cover by Kane and Barry captures the chaos of a world turned upside down.

Contains 3 stories
Rex, Dinosaur Destroyer!
9.67 pp · Animal

In the American Southwest, a sudden atom bomb explosion brings Major Dennis, his young charge Danny, and their loyal dog Rex into a world of sudden danger and prehistoric wonders. When a Tyrannosaurus Rex suddenly appears, the trio flees into a hidden valley revealed by the blast, navigating deadly creatures and ancient battles before facing the terrifying return of the bomb’s detonation.

The Riddle of the Riverside Raceway!
6 pp · Animal, Detective-Mystery

In "The Riddle of the Riverside Raceway!" from The Adventures of Rex the Wonder Dog #11 (1953), Bobo teams up with a female friend to watch her racehorse Jubilee at the track, where a dropped stick of dynamite sets off a chain of chaos. With the stables ablaze and gangsters on the loose, Bobo uses quick thinking and a palm tree to outwit the bad guys—ending the day with a coconut to the head and a jockey suit as a souvenir.

The Secret of the Stone Elephant!
7.67 pp · Animal

When a reward is offered for counterfeiters, Danny brings his money to Mr. Neilson’s bank—only for Rex to growl at the friendly teller, sparking suspicion. After Rex is locked up for a medical exam, Danny follows Mr. Neilson to the abandoned Stone Elephant Hotel, only to be trapped inside. With Rex breaking free and tracking him down, the duo uncovers a false Neilson and a hidden passage leading straight to the counterfeiters’ lair.

ComicBooks.com Value

Our Model is In Beta
Raw (Good) $98
CGC 8.0 · 1 in census $848*
CGC 7.5 · 2 in census $848
CGC 7.0 · 1 in census $481*
CGC 6.5 · 2 in census $406
CGC 6.0 · 2 in census $406
CGC 5.5 none in existence
Show all 11 grades
CGC 5.0 · 3 in census $268
CGC 4.5 none in existence
CGC 4.0 · 2 in census $207*
CGC 3.5 none in existence
CGC 3.0 · 1 in census $163*
* 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 $550 1 listing
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Full credits

artist Gil Kane
inker Sy Barry
cover pencils Gil Kane
cover inks Sy Barry

Reprints

Reprinted in Century Comic #67 (1961), Superboy Annual #1966-67 (1966)

Key issues in The Adventures of Rex the Wonder Dog

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