workstation M.I

A little background first: http://www.copyrightauthority.com/poor-mans-copyright/ There are three things that a potential violator can NOT fake,besides your music. One item should be included in your envelope,along with the rest of your stuff. It is WAY hard to fake, if not totally impossible. The two others belong to you and YOU only. They,naturally, would be included in ANY mailing. Or maybe I should say "on". I'll let the HC detectives use their brain trust on this and let you tell everyone else what I'm talking about. Any other suggestions and input welcome!