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Batman #104 cover
Cover: Sheldon Moldoff

Batman #104

Dec 1956 · DC · 0.10 USD
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In "The Man Who Knew Batman's Secret!", Robin steps into the spotlight at the Batman Exposition—honoring the Dark Knight—only to find himself in over his head when a mob targets him for the diamonds he's carrying. With Batman sidelined by an injured foot, the Boy Wonder must rely on quick thinking and courage to survive the chaos. Written by Bill Finger and illustrated by Dick Sprang, with inks by Charles Paris and letters by Pat Gordon, this 1956 classic features a cover by Sheldon Moldoff that captures the tension perfectly.

Contains 5 stories
The Man Who Knew Batman's Secret!
8 pp · Superhero
Batman [Bruce Wayne]Robin [Dick Grayson]Alfred Pennyworth [also as Thaddeus Crane]Commissioner James Gordonunnamed President of Mammoth Movie CompanyJohn Varden (villain)Varden's gang (villains)

In "The Man Who Knew Batman's Secret!", Batman tracks the elusive John Varden, but a visiting detective named Crane stumbles upon the Dark Knight’s true identity—just as the press has already made it common knowledge. With the secret out and the stakes rising, Batman must stay one step ahead of both the criminal and the growing public scrutiny.

Untitled Humor story
0.5 pp · Humor
Casey the Cop
Robin's 50 Batman Partners
8 pp · Superhero
Batman [Bruce Wayne]Robin [Dick Grayson]Alfred PennyworthThe Sparkles Grady mob (villains)

In "Robin's 50 Batman Partners," a wounded Batman hands over his spotlight to Robin at the Batman Exposition, where the young hero is unexpectedly targeted by a mob after being entrusted with a mysterious diamond load. With no time to call for backup, Robin must rely on his quick thinking and courage to outsmart the attackers—proving he’s more than just a sidekick.

Untitled Humor story
0.67 pp · Humor
Casey the Cop
The Creature from 20,000 Fathoms
8 pp · Superhero
Batman [Bruce Wayne]Robin [Dick Grayson]The 50 Fathoms Club [Professor John BriggsFergusSloan]Devoe (villain, a diver)undersea creature (villain)

In this 1956 adventure from Batman #104, a mysterious new underwater species stirs curiosity—until a diver’s sabotage threatens both the research and the creature’s survival. Batman dives into the mystery, racing to protect the endangered being and its precious egg before the danger deepens.

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $113
CGC 9.8 · 1 in census $17,414*
CGC 9.6 none in existence
CGC 9.4 · 1 in census $2,781*
CGC 9.2 none in existence
CGC 9.0 · 9 in census $1,206
CGC 8.5 · 8 in census $764
Show all 22 grades
CGC 8.0 · 13 in census $499
CGC 7.5 · 17 in census $498
CGC 7.0 · 8 in census $371
CGC 6.5 · 10 in census $307
CGC 6.0 · 9 in census $276
CGC 5.5 · 13 in census $225
CGC 5.0 · 19 in census $211
CGC 4.5 · 10 in census $198*
CGC 4.0 · 11 in census $198*
CGC 3.5 · 8 in census $130
CGC 3.0 · 5 in census $114*
CGC 2.5 · 6 in census $107
CGC 2.0 · 1 in census $64
CGC 1.5 none in existence
CGC 1.0 · 1 in census $51*
CGC 0.5 · 1 in census $47*
* 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

letterer Pat Gordon
cover pencils, inks Sheldon Moldoff

Reprints

↩ Reprints Adventure Comics #160 (1951)

Reprinted in The Hundred Comic Monthly #7 (1957), Batman #52 (1958), Century, The 100 Page Comic Monthly #33 (1959), The Untold Legend of the Batman [Batman Cereal Edition] #1 (1989), Albi del Falco #129, Superman Annual #1960, The Untold Legend of the Batman [MPI Audio Edition] #1

Key issues in Batman

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