Invisible Fluorescent Crayon Pale Green/Fluoresces Bright Green, Fluorescent UV Marking, Forensic Supplies

Crayons may be used effectively to mark currency, paper and cardboard products, clothing, plastic products and other porous or non-porous materials for tagging and tracing purposes. Markings are highly fluorescent when exposed to longwave (UV) or shortwav

ThiefCatcher II Invisible Theft Detection Kit, Fluorescent UV Marking, Forensic Supplies

Noodler's Fountain Pen Inks: A Comprehensive Guide

Fluorescent Scannable Crayon - Box of 12

Theft Detection & Questioned Document Analysis - PDF Free Download

Our Invisible Inks fluoresce a brilliant blue or green when exposed to a long wave ultraviolet (UV) light source.

Invisible Fluorescent Skin Stamp Ink

Fluorescent UV Marking Products by Sirchie

Renoir Paintings and Drawings at the Art Institute of Chicago

Invisible UV Fluorescent Marker Pens

Theft Detection

Theft Detection