Knowledge / Safety Measures / Others / Print Substrates

Paper safety measure: safety measures made inside the paper during the manufacturing process

Imbued paper: during the manufacturing process coloured paper (front and back are always in the same colour)

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

Goldbeater´s skin: bubble-like, transparent safety paper. The design print was made on the very water sensitive collodium layer on back whereat the design print is destroyed during soaking

Press mark: safety measure inside the paper made of after the manufacturing process added colourless design to prevent forgeries

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

Paper with watermark: safety measure inside the paper made of during the manu-facturing process pressed in design to prevent forgeries