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Optical Technology: Optically Variable Devices

Through patented and proprietary origination techniques, HKNH can incorporate multiple security features in a single image of the advanced OVD. They are:

1. True 3D holographic image

2. Partial Demetalization

3. Micro-engraving

4. Mercurial Imaging

5. Dot-matrix Imaging

6. Serial Numbering

7. Machine Readable Features