1. Move the anti-counterfeiting certificate to different angles, and you can see that the golden flower-shaped trademark changes from gold-red to golden-green; 2. Under the green pattern above the anti-counterfeiting certificate, use a magnifying glass to see a row of TAGUT words; 3. Touch the lace of the anti-counterfeiting certificate with your hands and you can feel the embossed gravure printing effect; 4. Under ultraviolet light, multiple fluorescent flower trademarks can be clearly seen on the front and fluorescent metal lines can be seen on the back; 5. Place the anti-counterfeiting certificate on the With the back facing the light source, you can see the entire anti-counterfeiting metal line; 6. The number on the back of each anti-counterfeiting certificate is unique; 7. The anti-counterfeiting certificate is made of banknote paper. Under ultraviolet light, the front and back sides can be clearly seen through the paper. texture; 8. Hold the anti-counterfeiting certificate to the light source and you can see the flower-shaped trademark watermark; 9. You can see the flower-shaped trademark in the upper left silver part of the anti-counterfeiting certificate. You can also authenticate the authenticity online: https://ssl.w3line.fr/montagut_authentication /index.cfm?lang=sn