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Keyhole
Achromatic 3D wireframe effect shows larger full 3D object through smaller viewing window. Complicated nonrepeating microstructure makes it strong security feature. Intended for inspection under spot light.
Keyhole (from Expo hologram)
Keyhole (from Olympus hologram)
Keyhole (from Pegas hologram)
Keyhole (from Lyre hologram)
Keyhole (from Sakura hologram)
Keyhole (from TGM Stripe hologram)
Keyhole (from Abu Dhabi hologram)
Keyhole (from Moonlanding DOVID)
