Latent Image PEAK®

(PEAK — Printed and Embossed Anti-Copy Key, developed by Giesecke+Devrient)

An image is formed by two types of lines that are combined during the printing process: 1) parallel lines applied by blind embossing 2) one-color parallel lines of the background applied by offset printing. At a right angle of observation and illumination, the latent image PEAK® is almost invisible. When viewed in sliding light, the lines of the background are visualized on the ridges of relief lines applied by blind embossing and form the latent image PEAK®.

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