Comic Title: Batman #83
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: April 1954
On Sale Date: February 24, 1954 Copyright Date February 22, 1954
Source: Library of Congress, Periodicals 1954
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.

Newsstand Date February 24, 1954
Source: Newsdealer Magazine, V8 #12

Frequency: 8 times yearly – monthly, except Jan., May, July, and Nov.
Cover Price: $0.10
Page Count: 40
Editor: Jack Schiff

Title: "The Testing of Batman"
Pages: 10

Feature(s):
Batman (of Earth-1)

Writer: Edmond Hamilton
Penciller: Dick Sprang
Inker: Charles Paris

Reprinted In:
Batman:The Golden Age Omnibus Vol. 9 HC (2021)

Feature Character(s)

• Batman (last appearance in Batman #83; next appearance in Detective Comics #206)

Supporting Character(s)

• Robin (last appearance in Batman #83; next appearance in Detective Comics #206)

Villain(s)

• Hatchet Marley, his gang, and Dr. Rinely (no further appearances)
• The Gulden Mob (no further appearances)

Other Character(s)

• Dr. Thorson and his assistants (no further appearances)

Synopsis:
Batman agrees to help psychologist Dr. Thorson with some experiments and testing. Crime boss Hatchet Marley learns of the experiments and replaces Thorson. Marley then forces Batman and Robin to complete several physical and psychological tests. Batman realizes the tests will help Marley rob the Gotham Mint. He sabotages Marley's plan and turns the tests against the gangster's men. When the gang is defeated, Batman releases Thorson.