Dial H for Hero first appearance, Robby Reed first appearance, House of Mystery 156 CGC graded 7.0, Martian Manhunter appears, 1960s DC

House of Mystery 156
Graded CGC 7.0 Comic Book.
Dial H for Hero first appearance and origin.
Off White to White pages.
January 1966.

Robby Reed first appearance.
Martian Manhunter backup story.
Zook appears with J'onn J'onzz.

Jim Mooney and Joe Certa art.
Jim Mooney cover art.
Dave Wood and Jack Miller stories.

CGC Certification Number: 2054417008

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