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Detective Comics #89 cover
Cover: Dick Sprang

Detective Comics #89

Jul 1944 · DC · 0.10 USD
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In "Laboratory Loot!", Batman and Robin race to recover a stolen typewriter of mysterious importance, leading them on a trail that uncovers the hidden identity of the enigmatic Cavalier. Written by Don C. Cameron and brought to life with sharp, dynamic art by Dick Sprang—both inks and cover—this 1944 classic delivers a tight, suspenseful mystery from the Golden Age of comics.

Contains 7 stories
Laboratory Loot!
12 pp · Superhero
Batman [Bruce Wayne]Robin [Dick Grayson]Dr. Helmar Helstrom (inventor)The Cavalier [Mortimer Drake] (villain, identity revealed)Stinger Sloane (villain)Sloane's gang (villains)

In "Laboratory Loot!" from Detective Comics #89 (1944), the theft of a peculiar, seemingly worthless typewriter sets Batman and Robin on a trail that unravels a mystery tied to the enigmatic Cavalier—leading them closer than ever to uncovering his true identity.

Rubberino
5 pp · Humor
Three-Ring BinksRubberino
Man or Mouser!
6 pp · Superhero
Air Wave [Larry Jordan]Mickey the Cat
The Disappearing Desperados!
5.67 pp · Superhero
The Crimson Avenger [Lee Travis]WingThe Ghost Gang (villains)
Untitled Humor story
1 pp · Humor, Military
Pvt. Pete
Borrowed Brains!
7.67 pp · Detective-Mystery
Slam BradleyShorty MorganElmer Haggle
Joyride a la Russe!
12 pp · Adventure, War
The Boy Commandos [Rip CarterBrooklyn [Dan Turpin]Jan HaasanAlfy TwidgettAndre Chavard]IvanLeonOlgaNicolai

ComicBooks.com Value

Our Model is In Beta
Raw (Good) $177
CGC 9.6 · 2 in census $7,094
CGC 9.4 · 3 in census $3,815
CGC 9.2 · 2 in census $3,120
CGC 9.0 · 6 in census $1,850
CGC 8.5 · 3 in census $1,740
CGC 8.0 · 6 in census $1,250
Show all 21 grades
CGC 7.5 · 6 in census $891
CGC 7.0 · 6 in census $860
CGC 6.5 · 2 in census $629*
CGC 6.0 · 4 in census $569
CGC 5.5 · 3 in census $457*
CGC 5.0 · 9 in census $435
CGC 4.5 · 6 in census $371*
CGC 4.0 · 3 in census $335
CGC 3.5 · 3 in census $304
CGC 3.0 · 3 in census $254*
CGC 2.5 · 2 in census $205
CGC 2.0 · 1 in census $175*
CGC 1.5 · 2 in census $135*
CGC 1.0 none in existence
CGC 0.5 · 1 in census $88*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

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Full credits

artist, inker Dick Sprang
letterer Pat Gordon
cover pencils, inks Dick Sprang

Reprints

Reprinted in Batman Archives #4 (1998), Batman: The Golden Age Omnibus #3 (2017), Batman: The Golden Age #6 (2020)

Key issues in Detective Comics

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