Challengers of the Unknown (1958 DC 1st Series) 47 FN- 5.5

"The Sinister Sponge." A strange relic turns a diver into a human sponge, putting Earth's water supply in danger of being soaked up. Script by Bill Finger, art by Bob Brown. "The Terrors of Mr. Tic-Tac-Toe." The Challengers are tied to a giant game board. Script by France Herron, art by Brown. Cover by Brown. Cover price $0.12. Grade: FN- 5.5 explanation of grade Condition: Used (collectible)

Estimate:$6

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