Comic Title: Showcase #5
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: Nov/Dec 1956
Approx. On Sale Date: September 6, 1956 Copyright Date September 4, 1956
Source: Library of Congress, Periodicals 1956
Until 1958 DC did not report actual on sale dates to the copyright office
The publication dates listed in LoC records are NOT release dates.

Frequency: Bi-monthly
Cover Price: $0.10
Page Count: 32
Editor: Jack Schiff

Title: "The Two Faces of Mr. X"
Pages: 8

Writer: Jack Miller
Penciller: Curt Swan
Inker: Sy Barry

Reprinted In:
DC Special #10 (1971)
Showcase Presents:Showcase Vol. 1 TPB (2012)