C. Genuinity verification --- the consumer can verify the genuinity intuitively and accurately.
a)Full size watermark: the full size “plum blossom” watermark is clear when being observed under natural light.
b)Hand feel: the card paper has the same hand feeling as the banknote.
c)……
D.Difficulty for counterfeiting --- 
The above anti-counterfeit technologies and materials have good exclusivity and are difficult to counterfeit.
IV.Application
This anti-counterfeit card is mainly used in high end products (such as watches, jewels, etc) and coupons.