Micro Dots, Micro Stripes
To combat counterfeit coin by impressing super-fine-micro dot technology is apllied within paulownia leaves at the center of the coin.
The state of the art super-fine-micro-processing technology totally heighten the anti-counterfeiting measures.
Micro stripes or micro lines are applied vertically against the background of Chinese characters in upper and lower parts of the coin along with the arrangements of the characters.
Micro lines (stripes) are thinner than human hair.