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Series
Mystery Tales 21
Atlas Tales
Curated Atlas tales, timelines, and cover art notes.
Market Pricing
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How much is Mystery Tales #21 worth?
Current market pricing for Mystery Tales #21 shows a latest graded sale of CGC 7.5 sold for $1,015.75 on October 19th, 2014.
Graded price ranges include CGC 7.5 $1,015.75 (1 comp).
Pricing data last updated June 12th, 2026.
- Cover Date
- September 1954
- Indicia Frequency
- bi-monthly
- Indicia Publisher
- 20th Century Comic Corp.
- Cover Titles
- The 13th Floor!
- Cover Credits
-
Harry Anderson pencils and inks unsigned
- Contributions
-
Gary Watson: Cover Image
Michaël Dewally: Cover Image
Nick Caputo: Cover Creator Credit
Jim Vadeboncoeur Jr.: Cover Creator Credit
Issue Overview
Mystery Tales #21 was published by 20th Century Comic Corp. in September 1954. It is part of the Mystery Tales series, which ran from March 1952 to August 1957.
Cover credits include Harry Anderson.
Atlas Tales indexes 6 stories for this issue, including "The 13th Floor!." Indexed story credits include John Forte and Harry Anderson, among others. The current cover scan may need replacement.
Stories
The 13th Floor!
Ger Apeldoorn: Creator Credit
Jim Vadeboncoeur Jr.: Creator Credit
To Live Forever
Jim Vadeboncoeur Jr.: Creator Credit
Helen's Hubby!
Ger Apeldoorn: Creator Credit
Jim Vadeboncoeur Jr.: Creator Credit
Nothing!
Ger Apeldoorn: Creator Credit
Jim Vadeboncoeur Jr.: Creator Credit
Hate!
Ger Apeldoorn: Creator Credit
Jim Vadeboncoeur Jr.: Creator Credit
It Walks Erect!
Ger Apeldoorn: Creator Credit
Jim Vadeboncoeur Jr.: Creator Credit
Market Pricing
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Looking for the full run? Browse the Mystery Tales checklist to see every indexed issue in one place.