VISA PAGES UNDER UV LIGHT
8
5
6
7
5
6
7
Page numbering visible in VIS and active in three wavelengths UV light (tri-fluo ink)
Spectrum Fibres™ – multicolour security fibres, active in UV light
Colour transition – rainbow printing, active in UV light
8
Lock stitching – three colour sewing thread, active in UV light (two colours)
19
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