- May 20, 2024A paper-embedded security thread surfacing at regular intervals in a document and full visible when viewed in transmission.
- May 20, 2024A slight flange (protruded rim) on coins or medals caused by heavy striking pressure, often characteristic on proof coins.
- May 20, 2024The severe polishing of a coin in an attempt to improve its appearance and saleability to the uninformed.
- May 20, 2024Involves the feeding of a continuous roll (or web) of paper through the printing press. Web-fed offset lithography (as opposed…
- May 20, 2024An indirect lithographic printing process where a flat printing plate prints onto a rubber blanket that transfers the image onto…
- May 20, 2024A continous roll of flexible material, usually paper, foil, film or laminate in a roll form.
- May 20, 2024A property of electromagnetic radiation that denotes the distance between waves of light.
- May 20, 2024A mathematical means for performing a signal analysis when signal frequency varies over time.
- May 20, 2024A type of marker directly embedded within video, audio or print content, which is imperceptible to humans but readable by…
- May 20, 2024A photonic watermark for banknotes, developed by combining a invisible photonic printing with a translucent and ultra-thin magnetic-responsive photonic display…