| Detective Dan: Secret Operative 48 (1933)
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Publisher: Humor Publishing
Publication Date: 1933
Country: United States
Considered to be the first comic book produced with all original material. Written and illustrated by Norman Marsh; the comic was published in 1933, but only a single issue was released. Marsh transformed the property into the Dan Dunn newspaper comic strip, starting the same year.
Number of issues cataloged: 1