Optically variable devices used for verification, authentication, tracing and anti-counterfeiting purposes; holograph apparatus; hologram apparatus; holographic and hologramatic microstructures, namely, optically variable devices (OVDs) and diffractive optically variable identification devices (DOVIDs), machine readable holograms; hologram apparatus and instruments for making, transferring and reading holograms; holographic and hologramatic apparatus and instruments for applying holograms to ...