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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) $159
CGC 9.6 · 2 in census $7,285
CGC 9.4 · 3 in census $3,736
CGC 9.2 · 2 in census $2,952
CGC 9.0 · 6 in census $1,836
CGC 8.5 · 3 in census $1,754
CGC 8.0 · 6 in census $1,169
Show all 21 grades ▾
CGC 7.5 · 6 in census $892
CGC 7.0 · 6 in census $822
CGC 6.5 · 2 in census $628*
CGC 6.0 · 4 in census $567
CGC 5.5 · 3 in census $456*
CGC 5.0 · 9 in census $418
CGC 4.5 · 6 in census $371*
CGC 4.0 · 3 in census $333
CGC 3.5 · 3 in census $299
CGC 3.0 · 3 in census $254*
CGC 2.5 · 2 in census $203
CGC 2.0 · 1 in census $175*
CGC 1.5 · 2 in census $134*
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

writer Don C. Cameron
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

#27★
#27 1st appearance — Bruce Wayne
#38★
#38 1st appearance — Dick Grayson
#225★
#225 1st appearance — Martian Manhunter
#359★
#359 1st appearance — Batgirl
#58★
#58 1st appearance — Oswald Cobblepot
#140★
#140 1st appearance — Edward Nigma
#33★
#33 1st appearance — Thomas Wayne
#40★
#40 1st appearance — Basil Karlo

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