Private company

Gemstone Publishing

American publishing company in the comics field

Gemstone Publishing is an American company that publishes comic book price guides. The company was formed by Diamond Comic Distributors President and Chief Executive Officer Steve Geppi in 1994 when he bought Overstreet. Gemstone published licensed Disney comic books from June 2003 until November 2008.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Gemstone Publishing is an American company that publishes comic book price guides. The company was formed by Diamond Comic Distributors President and Chief Executive Officer Steve Geppi in 1994 when he bought Overstreet.2

Leadership

Who has led Gemstone Publishing, and when. Pick a name to see everywhere that person has worked.

Sources

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