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CHE-BO-02001 - <Verso> - OVD (optically variable device)
<Verso> - OVD (optically variable device)
When the document is tilted horizontally, the year of expiry and document number move in opposite directions

Security features:

OVD (optically variable device)

OVD (optically variable device):

other

OVD description:

LEFI (Laser Engraved Floating Image): laser personalised security feature with variable optical effect, visible to the naked eye when the document is tilted at any angle

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[ Document generated on : 04.04.2023 16:33:12 CEST ]