copyright pens are a great starting point as they are simple to operate. Having said that, such a detector will likely not Focus on bleached bills. As a normal way of counterfeiting, bleached bills Have a very decrease denomination's printing bleached off, then are re-printed with a greater denomination. As https://how-to-tell-copyright-b11099.suomiblog.com/the-greatest-guide-to-100-dollar-hong-kong-54533820