Guilloches were – in the old days – used to make the falsification of banknotes more difficult. The engraving of these intricate lines was done by a highly specialized mechanical machine, which was operated by an equally highly specialized engraving artist. Once the settings for a specific curve were changed back to zero it was very difficult, if not impossible to set them back to the old design. More…
available in all of the styles:
available in all of the styles: