Collectors Universe, Inc. provides authentication, grading, and related services to dealers, collectors, retail buyers, and sellers of coins, trading cards, event tickets, autographs, and historical and sports memorabilia in the United States. The company operates in three segments: coins, trading cards and autographs, and other collectibles. It also publishes magazines that provide market prices and information for various collectibles and high-value assets that are accessible on its websites. In addition, the company offers web-based advertising services; operates an online market for graded collectible coins for dealers on a subscription basis; and promotes, manages, and operates the long beach coin shows. Collectors Universe, Inc. was founded in 1986 and is headquartered in Santa Ana, California with additional offices in Paris, Hong Kong, and Shanghai. It also has operations in New Jersey and Tokyo. As of February 5, 2021, Collectors Universe, Inc. operates as a subsidiary of Cards Parent LP.