Buddy Products Counterfeit Money Detector Pen, 5.25 x 0.5 x 0.5 Inches (CF-1)

hey there guys it's me Rob thanks for tuning into the Robson knowledge YouTube channel and today we're going to be showing you guys how to use a counterfeit detection 10 or marker like so now if you want to pick some of these up these are really cheap I'll leave a link down in the description where you can get these off at Amazon but to use them they're very simple all you need is this is work for US currency of course as you can see but you take your pen and all you're going to do is you're just gonna mark it across the face of the bill now this works for all the bills the same but I'm gonna Scott different denominations just to show you so you're just gonna mark it across the bill just like so and as you can see since the mark turn or stayed gold that means it is a legitimate note now what we will show you is what would happen if it was just printed on computer paper or something of t