PSA/DNA - JSAYou could have a signature or piece of memorabilia authenticated anywhere in the world but you might have to use the mail. Two of the top, and most trusted authenticators are PSA/DNA, and James Spence Authentic (JSA). Check the respective websites Show Schedule to see if they will be in the area that you live. If they are, contact them and let them know what you need authenticated so they can be prepared. They also do business through the mail.