The secret decoration is a product of Montblanc, and there is no jewelry series. It is reported that Montblanc International is a manufacturer of fine pens, watches and accessories under Richemont Group, Germany, with a white six-pointed star trademark. In 20 16, in order to celebrate the anniversary of the brand 1 10, Montblanc officially launched a limited edition briefcase with secret accessories.

This time, Montblanc specially invited Mo Coppoletta, a contemporary tattoo artist, to use Montblanc high-quality ink and give full play to the inspiration inside the Mo Yun series of briefcases to make a customized briefcase with a secret decoration series. 1906 was founded by a stationer, an engineer and a banker in Hamburg, Germany. Before 19 1 1 adopted the trademark of Montblanc, it was established in the name of Simpro Filling Pen Company. This brand has no jewelry collection.

Identification of authenticity

The method of breathing can distinguish the authenticity of a diamond ring with the naked eye. The thermal conductivity of diamond is very high. When you inhale into it, the water vapor on its surface will disappear quickly. If the water vapor slowly disappears, it means that it is a fake diamond. Identification of diamond ring by water drop method. After the diamond ring is cleaned, drop a drop of water on it. If the water drops can last for a long time, it means that the diamond is genuine; Otherwise, the water droplets will soon disperse, indicating that the diamond is fake.

Diamonds are very lipophilic, so we can draw a picture on the surface of diamonds with an oily pen to distinguish between genuine and fake diamond rings. If you can leave a clear trace, it means that the diamond ring is real. On the contrary, if there are no traces or intermittent traces, it is a fake diamond. Or take the diamond ring to a trusted jewelry appraisal office, and the jeweler will appraise the diamond ring for you. Experienced jewelers should be able to spot fake diamond rings immediately.