Keep the pen capped when not in use, and take a look at your pen every now and then over a bill you recognize is authentic. If the ink has dried out or turned weak, it won't Provide you with precise success. So, even though the copyright detector pen isn't https://copyright-canadian-bill44432.blogofchange.com/39577515/a-simple-key-for-how-to-tell-copyright-bills-with-marker-unveiled