Scratch off Ink | OVI OCEP available
Scratch-off Ink can also be combined with OVI (Optical Variable Ink) and OCEP (Optical Changeable Effect Pigments)
Scratch off Ink | OVI OCEP available
Latent Image Anti-Counterfeiting Patterns | Photogravure Imitating Printing
Anti-counterfeit Ink List - Ink is lifeless, but the design is alive!
Optically Variable Ink (OVI) security labels
List of Anti-counterfeit Printing Pattern(Guilloche) | Moire | Anti-copying | Watermarking