Gold Foil (Kinegram)
The Gold Foil on the front of the note with the coat of arms and the number "1000", changes colour when tilted under sunlight. Other easy to see features are the water mark. You can see a water mark in the pinkish area on the front of the note. When held against the light, the portraits of Dr. Clement Isong and Alhaji, Aliyu Mai-Bornu can be seen with the letters "CBN" in water mark.

Similarly, the green triangle on the front of the note changes colour from green to blue when the note is tilted