UV Properties: If you shine an ultraviolet light on a bill, the safety thread will glow. Every denomination glows a different color. 1. “I am able to’t think how straightforward it truly is to catch those sneaky counterfeiters with Dri Mark UV Professional! I used to be usually worried about https://100dollarhongkong99987.tinyblogging.com/5-simple-techniques-for-100-hong-kong-dollar-82821615