"James Spence Authentication, LLC" or "JSA" are one of the leading experts in autograph authentication, specializing in a professional standardized opinion that reflects the value of all signed and personalized memorabilia from all around the world.

Established in 2005 in Orwigsburg, Pennsylvania by James J. Spence, Jr. and Roy Weitzer, JSA is considered by most to be the foremost in autograph authentication and items considered authentic by JSA's standards are guaranteed to be accepted by any major auction house, dealer and/or collector. Countless collectors have sought the reassurance that their investments will retain marketability, so JSA gives them the professional research and knowledge that comes with service.

This article uses material from the Wikipedia article James Spence Authentication LLC, that was deleted or is being discussed for deletion, which is released under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
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