Coming in June, we're hosting a CBCS 10th Anniversary Auction! Now accepting submissions of CBCS-graded comics for auction.

Auction in progress, bid now! Weekly Auction ends Monday May 13!

Challengers of the Unknown (1958 DC 1st Series) 18

  • Issue #18
    Challengers of the Unknown (1958 DC 1st Series) 18
    • Cover and first wrap detached at one staple.
    • Cover and first three wraps detached at one staple. Water spotting.

    "The Menace of Mystery Island." The Challengers, on their way to an island that June has inherited, discover a mysterious alien pet in a space capsule from another planet. "The Doomed World of Tomorrow." The Challengers help future Earthlings battle cosmic creatures. Art and cover by Bob Brown. Statement of ownership--average paid circulation 228,000. Full-page ad for Justice League of America # 3. Cover price $0.10.