James Spence Authentication

Foremost autograph authentication company in the world.

Providing an accurate and quality authentication service to the autograph collecting community

James Spence Authentication, LLC was founded in Orwigsburg, Pennsylvania - May 2005 by world renowned autograph authenticator, James Spence, Jr. For over 30 years, Spence has built a reputation second to none in the autograph industry.

After several years of JSA's growing demand, the autograph authentication service needed to shift it's operation to Parsippany, NJ for better access to the NY/NJ market.

Employed by every major auction house in the country, JSA has accumulated a massive exemplar database totaling nearly 500,000 files. This extensive exemplar library is imperative for JSA autograph authetenticators to utilize when accuratley assessing the thousands of autographs submitted daily.

JSA opened it's first expansion office on August 31st 2012 in Fort Lauderdale, FL.

Have your autographs authenticated by the industry's leading autograph experts!

Enhance the value of your autograph.
Piece of mind your autograph is authenticated by the industry leader.
Guaranteed acceptance by any major auction house, dealer and/or collector in the world!

Countless collectors have sought the reassurance that their investments will retain marketability when the time is right to divest of their holdings. It has long been the industry's choice to secure a James Spence Authentication Letter of Authenticity.

JSA has the universal respect and approval of auctioneers, dealers, and collectors worldwide with their accurate authentication experience.