The position of technical examination is convex, concave on the front of the polymer money sheet.
Counterfeit money : When stroking our hands gently, we will feel slippery, not rough, rough or feel like ripples due to the stamping on the paper, due to the buoyancy of the print as in real money.
3. Recognize counterfeit money by checking color changing ink when tilting the banknote.
Real money : When the slant tilted the banknote, the image of OVI will change the color of the ink.
Security cord (IRIODIN) appears on all polymer charges. IRIODIN is a yellow strip that runs along the banknote, when it leans the banknotes sparkling.
In addition, when placing a note at eye level, the hidden image will appear.
Counterfeit money : On the counterfeit bank, OVI, IRIODIN or not can appear. But when the OVI tilt does not change color or change color is not the same as the color in real money, IRIODIN does not have iridescence but only yellow.
4. Check for counterfeit money hidden in transparent windows.
Real money : Large windows (transparent plastic on the right side of the front of the bill) will emboss the face value in a very sophisticated ellipse.
A small window (transparent plastic background on the top left of the front of the bill) will contain hidden images. This hidden image can only be seen when looking at the red light source (incandescent light, flame .).
VND 500,000
Counterfeit money: On counterfeit money, there is no image appearing in a small window, embossed face value on a large, sophisticated window.
5. How to check real money and counterfeit money with magnifying glass and ultraviolet lamp.
Real money : When observing under a magnifying glass, ultraviolet lights some security details will appear as:
Counterfeit money : These security details may appear on counterfeit money but they are not sharp, hard to read, or are not designed in the same way as real money.
In addition, according to the State Bank, it is easy to recognize real money, counterfeit money in fact that is the quality of the banknote. Real money has good elasticity, can return to its original shape after being crushed in the hand. The material is tough, durable and resistant to good external forces. Meanwhile, counterfeit money is easy to be torn, stretched, torn when pulling, easy to peel ink, can tear lightly at the edge of the bill.