1, the letter "Hennessy" on the bottle seal, the true wine will stand out obviously and be visible to the naked eye, especially the wine whose code starts with L7, if it stands out only a little, it is mostly fake.

2. The laser shadow of the envelope is very thin and evenly distributed. The envelope of fake wine has thick particles, which are shielded by laser, just like sand.

There are two serial numbers on the label on the back of the bottle, one is the serial number of the dealer and the other is the serial number of the wine. Moreover, these two codes correspond to the computer spraying code on the lower edge of the bottle mouth envelope, and the running code of wine is basically on the envelope. Guangdong distributor codes are as follows: Shenzhen Qiaodong (QDS), Jing Jun (JJZ), Zhongshan Qihua (QHS) and Gift Box (GBMI).

4, put Hennessy English Hennessy, ultraviolet fluorescence effect, ultraviolet radiation will show fluorescence after turning off, letters have light absorption effect. This kind of anti-counterfeiting technology is expensive, which is not something that ordinary people can fake. Fake wine won't absorb light.

Extended data:

Hennessy XO anti-counterfeiting label and packaging characteristics

First, anti-counterfeiting labels:

1, irradiated by ultraviolet rays, with patterns and characters of regional distributors. For example, in Guangdong, there is a Zhongshan "Wenhuaxing" dealer with the words and patterns of "Wenhuaxing" on the icon;

2. The anti-counterfeiting label has the function of preventing transfer, and it will rot when torn off;

3. Drip function. There is a "drip zone" on the anti-counterfeiting label. As long as the water drops down, different patterns will be displayed.

4. If the highlighter is changed, it will also display different patterns. When folded flat, it will be fully displayed.

Second, the packaging characteristics:

1, Martell blue ribbon, celebrity, gold medal * * * Same features: the bottle cap and the bottle body have the same number, in a straight line. As long as the bottle cap is unscrewed, the number position cannot be restored. That is, not in a straight line.

2. Celebrity: It has a seal on it.

3.XO: There is no number on the bottle, and there is a laser bracket on the envelope. The tooth pattern is very small and fine, and the craft is exquisite. There is a production date, which can be attached to the back of the bottle, corresponding to the date on the bottle cap, which is orange.