It can be feel in different areas at the front side of the banknote, and appear clearly in the texts” five Sudanese pound, Central Bank of Sudan and Legal Tender Banknote.” Which written in Arabic words.
At both ends in the front side of this banknote there are three sets of eminent horizontal lines each comprises of three lines.
This category is characterized by three signs aware by the sense of sight directly or by exposing the paper to a light source:
When exposing this banknote to light source, a picture of (Dove) will appear in the white area, plus number (5) with letters (LS &ج س).
When exposing this banknote to light source, an exact match is occurring between the front and back picture of a justice scale located at the top of this denomination.
This category is characterized by two signs of recognition, but by moving the security at different angles:
It is a stripe with shell colour and has overlapping symbols, plus number (5) printed frequently in Arabic and English.
When look to this feature from angle (45) degree, the letters (CBOS) will be seen clearly.
This category is characterized by additional safety signs that can not be recognized by the normal senses (look and touch), while it can be realized through the use of auxiliary mechanisms namely magnifying lenses and ultraviolet devices. These are:
It’s a Micro written word that couldn’t be seen by bare eyes, include the phrase: (Central Bank of Sudan -five Sudanese pounds- in Arabic words) and repeated frequently.
When this banknote exposed to the (Ultra violet) ray, a light beamy inks will appear in the surface of this denomination, and illuminated red, green and blue bristles also appears scattered randomly on the both sides.
