Gemstone Publishing
Book and Periodical PublishingUnited States11-50 Employees
Gemstone Publishing is a United States-based publisher operating in the book and periodical sector with a focus on comics-related reference materials. It publishes The Overstreet Comic Book Price Guide and has issued facsimile editions, signaling a catalog of specialty volumes. The firm also developed Overstreet Access, an online collection management platform built around the price guide, providing digital tools to accompany its reference works. Together, these offerings deliver pricing references and organizational capabilities for comic book holdings. In February 2023, Gemstone Publishing launched Overstreet Access, expanding its products into a digital dimension and complementing the traditional guide. The company operates within a specialized niche of publishing, centering on the Overstreet brand and its related materials in the United States.