Knowledge / Prints / Postal Stationery Design Prints / Safety Measures

Postal stationery design print safety measure: safety measure that was carried out as postal stationery design print

Azure lines: narrow wavy lines under a amound field in a postal stationary design print to prevent value manipulations

Dot gap: missing dot in a adress line in a postal stationary design print to prevent forgeries

Matrix code: safety measure consisting of lines, dots and gaps arranged in a matrix with his help the postage stamp can be cancelled electronically

Silk thread paper: safety measure inside the paper made of during the manufacturing process added coloured silk thread to prevent forgeries

Paper with watermark: security measure in which a pattern is embossed into the wet paper to make complete counterfeiting more difficult