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Detective Comics #340 cover

Cover: Carmine Infantino & Joe Giella

Detective Comics #340

Jun 1965 · DC · 0.12 USD

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In "The Outsider Strikes Again!", Superboy teams up with a young inventor named Frank, showing him that creativity isn't about perfection but passion—proving that a hobby with heart can last a lifetime. Written by Jack Schiff and illustrated by Win Mortimer, with lettering by Ira Schnapp, this 1965 tale blends heartfelt mentorship with the classic charm of the DC Universe. The cover, by Carmine Infantino and Joe Giella, captures the moment with dynamic flair.

Contains 2 stories

The Outsider Strikes Again!

14.34 pp · Superhero

Batman [Bruce Wayne]Robin [Dick Grayson]OutsiderAunt HarrietJames Gordon

Mystery of the Millionaire Cowboy!

9.67 pp · Superhero

The Elongated Man [Ralph Dibny]Sue Dibny

ComicBooks.com Value

Our Model is In Beta

Raw (VG) $19

CGC 9.6 · 1 in census $876*

CGC 9.4 · 6 in census $448*

CGC 9.2 · 3 in census $260*

CGC 9.0 · 8 in census $177

CGC 8.5 · 7 in census $126

CGC 8.0 · 4 in census $99

Show all 16 grades ▾

CGC 7.5 · 1 in census $75

CGC 7.0 · 4 in census $62*

CGC 6.5 · 4 in census $52*

CGC 6.0 · 2 in census $46*

CGC 5.5 · 3 in census $36*

CGC 5.0 · 2 in census $36*

CGC 4.5 none in existence

CGC 4.0 none in existence

CGC 3.5 · 1 in census $24*

CGC 3.0 · 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

VG $14.95 VG $14.99 VG $19.99 GD $20 VG $21.19 VG $22 VG+ $27.95 VG $32.5

Related listings we couldn't confirm as this exact issue · 27 total · seen 27 days ago

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Full credits

writer Gardner Fox

artist Sheldon Moldoff

inker Joe Giella

letterer Gaspar Saladino

cover pencils Carmine Infantino

cover inks Joe Giella

Reprints

Reprinted in Hawkman #8 (1965), Superman Presents Wonder Comic Monthly #5 (1965), Lynvingen #2/1968 (1968), Batman #24 (1971), Giant Batman Album #28 (1974), Batman #255 (1974), Faucon Noir #4 (1977), Batman et Superman Géant #10 (1978), Showcase Presents the Elongated Man #1 (2006), Showcase Presents: Batman #1 (2006), Tales of the Batman: Carmine Infantino #[nn] (2014), Läderlappen #12/1967, Superman Presents Wonder Comic Monthly #8

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#40 1st appearance — Basil Karlo

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