(Newport Beach, CA) - PSA/DNA now is accepting submissions of sports photographs for authentication.

Photos certified by PSA/DNA will be classified based on the Types I, II, III and IV classification system created by two of the hobby's most respected experts, Marshall Fogel and Henry Yee. Their classification system, outlined in their recent book, A Portrait of Baseball Photography (2005) is based on determination of the photograph's originality or reproduction, development process and publication date.

More information about the photograph authentication services and the classification system is available online at http://www.psacard.com/Services/PhotoAuthentication/.

Denver, Colorado attorney, Marshall Fogel, is widely known for assembling one of the most significant collections of baseball memorabilia and baseball photographs. He is a former Deputy District Attorney and the author of many feature articles about sports collectibles.

Henry Yee of Jersey City, New Jersey is a Wall Street business systems management and information technology consultant. He also is a collector and dealer who has handled over a million news photographs from public and private archives.

PSA/DNA, a division of Collectors Universe, Inc. (NASDAQ: CLCT), is the world's leading third-party sports memorabilia company. Using state of the art technology, PSA/DNA created a four-level security system to prevent counterfeiting, forgery and piracy of high-value collectibles.

For additional information, contact PSA/DNA, P.O. Box 6180, Newport Beach, CA 92658. Phone: (800) 325-1121. E-mail: info@psacard.com. Online: www.psacard.com.