tryckmärket
Tryckmärket, also known as a watermark, is a visible or invisible mark embedded in paper or other materials to indicate ownership or authenticity. The term "tryckmärket" is derived from Swedish, where "tryck" means "print" and "märket" means "mark." Watermarks are typically used in documents, banknotes, and other valuable items to deter counterfeiting.
There are two main types of watermarks: visible and invisible. Visible watermarks are designed to be seen
Watermarks work by exploiting the properties of paper or other materials. When paper is made, water is
The use of watermarks dates back to ancient times, with examples found in ancient China and Greece.