267 Cyber Ninjas published their AZ audit procedures. Section 12.5 says they are using 2 wavelengths of UV light which suggests there ARE UV watermarks. (www.cyberninjas.com) ? Notable posted 3 years ago by Datasinc 3 years ago by Datasinc +267 / -0 32 comments share 32 comments share save hide report block hide replies
Just a hunch but lights may detect fold/not folded (counterfeit)
A style of black and white looking IR is best for that.