The portrait of Imam Khomeini in the left part of the banknote is embedded in the paste of paper. When the Banknote is held up to the light, the image can be seen from both sides.
2- Security Thread
A 1 mm wide polyester thread, with the microprint of the name of the Central Bank of the Islamic Republic of Iran "Bank Markazi Jomhouri Islami Iran" in Farsi script is embedded in the paper. When viewed under ultra violet light, this thread is seen in blue, yellow and red colors.
3- Intaglio Printing
This feature can be easily detected by touch in some parts of the Banknote.
On the right side of the Watermark is a "See-Through Image". When the Banknote is held up to the light, the partial image of a flower on the front completes perfectly that on the reverse side.
5- Serial Number
Letterpress printing of serial number with single color fluorescent ink, changes under ultra violet light to golden color.