Reverse side
Security Features Noticed By Feel:
This category is characterized by two senses that can be perceived by tactile:
- Intaglio Printing
- The blind mark
This category is characterized by two senses that can be perceived by tactile:
When look to this feature from angle (45) degree, the letters (CBOS) will be seen clearly.
At both ends in the front side of this banknote there are three sets of eminent horizontal lines each comprises of three lines, a circle with point is appearing in the bottom set.
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 Aljidyan eagle will appear in the white area, plus number (50) 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 fish 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 metal stripe and have overlapping symbols, plus number (50) inside a circle with letters (LS) repeated at lines slanted (45) degree. When tilted the banknote under direct light source, colures will changed to Iridescent and the number (50) appear in Arabic and English alternately.
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 -fifty Sudanese pounds – in Arabic words) and repeated frequently.
When the banknote exposed to the Ultra violet ray, a light green stripe will appear under the holographic stripe, also an illuminated red, green and blue bristles appears scattered randomly in the surface of the banknote, on the both sides.
