Steer clear of shaking the pen vigorously, as this could cause the ink to clog or independent. Should you notice the ink is becoming much less effective, you may have to exchange the pen. When a genuine banknote is illuminated with a UV lamp, the security inks will emit a https://hongkong100dollar33211.tokka-blog.com/39186868/a-simple-key-for-how-to-tell-copyright-bills-with-marker-unveiled