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Superboy #105 cover
Cover: Curt Swan & George Klein

Superboy #105

Jun 1963 · DC · 0.12 USD
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In "The Simpleton of Steel!", Superboy's latest adventure takes a quirky turn when red kryptonite grants him an extra finger on each hand—though he plays it off as a newfound simplicity to outwit a gang of criminals. Written by Jerry Siegel and brought to life with crisp, expressive art by Curt Swan and George Klein, this 1963 classic blends sci-fi whimsy with the hero's signature charm. The cover, also by Swan and Klein, captures the moment with a perfectly timed mix of innocence and intrigue.

Contains 5 stories
The Simpleton of Steel!
8 pp · Superhero
"Specs" McGurk"Scarface" Malone

When Red kryptonite gives Superboy an extra finger on each hand, he plays up the change by acting like a simpleton to trick "Scarface" Malone and "Specs" McGurk into revealing their criminal plans.

Untitled Humor story
0.67 pp · Humor, Anthropomorphic-Funny Animals, Superhero
The Day Baby Lana Became "Super"!
8.67 pp · Superhero
Charlie Beasleythe Human Cannonball
The Superdog That Was Greater Than Krypto!
8 pp · Superhero

In "The Superdog That Was Greater Than Krypto!", a young boy and his super-powered dog face off against a mysterious canine whose abilities seem to surpass even those of Krypto. As the two dogs navigate a test of strength and loyalty, the story explores what it truly means to be a hero—balancing power, heart, and the quiet courage found in simple devotion.

Untitled Humor story
0.67 pp · Humor

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $13
CGC 9.6 · 2 in census $616*
CGC 9.4 · 4 in census $433
CGC 9.2 · 5 in census $183
CGC 9.0 · 5 in census $124*
CGC 8.5 · 7 in census $83
CGC 8.0 · 3 in census $65*
Show all 17 grades
CGC 7.5 · 1 in census $52*
CGC 7.0 · 2 in census $24*
CGC 6.5 · 3 in census $20*
CGC 6.0 · 1 in census $20*
CGC 5.5 · 1 in census $20*
CGC 5.0 · 1 in census $20*
CGC 4.5 none in existence
CGC 4.0 none in existence
CGC 3.5 none in existence
CGC 3.0 · 1 in census $20*
CGC 2.5 · 2 in census $20*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

More listings for this title

GOOD $9 VG $9.7 VG $9.95 VG $9.95 VG+ $9.99 VG+ $9.99 VG $9.99 VG $11
Related listings we couldn't confirm as this exact issue · 66 total · seen 22 days ago
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Cast · 12 characters

Full credits

artist Curt Swan
cover pencils Curt Swan
cover inks George Klein

Reprints

↩ Reprints Detective Comics #164 (1950)

Reprinted in Teräsmiehen Poika #8/1963 (1963), Superboy #174 (1971)

Key issues in Superboy

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