This below steps will show you how to check the cof number:
Step1:
Choose one cof in your hand
![1633761630(1)](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/16337616301.jpg)
![1633761630(1)](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/16337616301.jpg)
Step2:
use the magnifying glass to check the top left corner of the cof chips
![1633761578(1)](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/16337615781.png)
![1633761578(1)](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/16337615781.png)
![1633946985(1)](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/16339469851.png)
![1633946985(1)](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/16339469851.png)
![1633761535(1)](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/16337615351.png)
![1633761535(1)](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/16337615351.png)
Step3:
You will get the cof number,and please record together and send to us to buy
You will get the cof number,and please record together and send to us to buy
![1245](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/1245-768x1024.jpg)
![1245](https://silmantech.b-cdn.net/wp-content/uploads/2021/10/1245-768x1024.jpg)