🔑 ACTION COMICS #310 [DC COMICS] *1ST APPEARANCE JEWEL KRYPTONITE* 1964 GD/VG

Series Title: Action Comics (DC, 1938 series)

Issue #: 310

Story Title:

• Secret of Kryptonite Six!
• Supergirl's Rival Parents!

Date of Publication: March 1964

Edition: Standard Edition

Publisher: National Periodical Publications, Inc. (DC Comics)

Country of Origin: United States

Language: English

Cover Price: 0.12 USD

Cover Artists: Curt Swan, Sheldon Moldoff

Artists: Curt Swan, George Klein, Jim Mooney

Writers: Leo Dorfman

Characters: Superman, Supergirl, Jax-Ur, General Zod, Professor Vakox, Lori Lemaris, Jimmy Olsen, Perry White, Allura, Zor-El, Comet the Super-Horse, Fred and Edna Danvers

First Appearances: Jewel Kryptonite (debut — enhances the mental abilities of criminals trapped in the Phantom Zone, allowing them to affect the physical world) Vorb-Un (introduced and paroled from the Phantom Zone)

Key Facts:

• Classic mid-Silver Age issue featuring two strong Superman-family stories.
• "Secret of Kryptonite Six!" sees Superman release Phantom Zone villains (including Jax-Ur) to combat a plague in Atlantis. This leads to the debut of Jewel Kryptonite, which amplifies the mental powers of Phantom Zone prisoners.
• "Supergirl's Rival Parents!" has Supergirl free her Kryptonian parents (Zor-El and Allura) from the Survival Zone, forcing her to choose between her Earth and Kryptonian families.
• Saddle-stitched with glossy colour cover on newsprint interior.
• Highly collectible 1964 DC comic showcasing the Superman Family during the Silver Age.

Page Count: 36 pages

Condition: Please refer to the accompanying photos for condition, we are amateur graders, all best efforts are taken when indicating a likely grade. Should you require further photos, please contact us. Includes archival bag and board.

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Some data courtesy of the Grand Comics Database