Number of Issues:

Used brand emblems:

Brand Emblem Name Issues Year Began Year Ended Notes
A Key Magazine 3
Issue Publication Date On-sale Date Brand Indicia Publisher
Hector Comics (1953 series) #3 March 1954 A Key Magazine ?
Mister Mystery (1951 series) #16 April 1954 A Key Magazine Aragon Magazines, Inc.
Weird Mysteries (1952 series) #9 March 1954 1953-12-23 A Key Magazine Gillmor Magazines, Inc.

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