Collectors Universe, Inc. is a company that offers authentication and grading services to collectors and dealers of rare and valuable items such as coins, trading cards, event tickets, autographs, memorabilia, and stamps. The company operates in the United States and is a leading player in the market for authentication and grading of collectibles. It provides a high level of accuracy and transparency in its services, which allows clients to make informed decisions about the value of their assets. Collectors Universe serves a wide range of clients, including collectors, investors, and dealers, and its services have become an essential part of the collectibles industry.