What do the numbers and letters behind the “pigeon” anti-counterfeiting mark of a credit card mean after it is torn off?

This is a security code to guard against counterfeit code.

Famous international credit card organization and famous credit card company

1.Visa

2.Master Card

3.Diners Club (Diners Club)

4.American Express (American Express)

5.JCB

Visa and Master Card As an international card organization, it does not issue cards itself, but is issued by banks, which are members of the agreement. All major domestic banks have basically joined these two organizations.

All domestic credit card issuing banks have dual-currency credit cards in RMB and USD. You can freely choose credit cards issued by members of the two major international organizations, MasterCard or VISA. CUPI7-3520M or I7-3520QM, what do the numbers and letters behind them mean?

Q means 4 cores, M means mobile version

The numbers indicate the model, such as 36xx, which is higher grade than 35xx. Why did the natural hall anti-counterfeiting mark be torn off?

You Well, glad to serve you.

Without the anti-counterfeiting code, it is impossible to check the authenticity of Chando products.

Thank you for your support! Hope this helps! If you still have any questions, please feel free to ask Nature Hall! What do the numbers and letters in front of majors in the college entrance examination world mean?

That is the major number. When you apply online, you will fill in the major number (optional).

There is a number , the automated operation of the Gaozhao system is more convenient and faster. What do the numbers and letters on the lower left foot of the RMB mean?

That is called the crown number, which represents the batch and manufacturer of banknote printing. The first two letters represent the batch, and the last eight characters represent its position in this batch. The position, 00000001 is the first one.

In addition, the black numbers on some large-denomination banknotes are also magnetic and can be used to prevent counterfeiting.

What do the numbers and letters marked on China Construction Bank’s credit cards mean?

The letters are the cardholder’s name

The numbers are the validity period of the card on the student card. Is there anything wrong with the anti-counterfeiting mark being torn off?

Hurry up and get a new one. Without anti-counterfeiting, you won’t be able to buy a student ticket when you take the train to buy a ticket. The numbers and letters in the energy-saving water heater 1180fe-c What does it mean?

The numbers represent the production year or batch number, and the letters represent the product type. What are the anti-counterfeiting marks on the back of CITIC Bank Platinum Credit Card?

There is no need for any anti-counterfeiting marks, real cards and fake cards Just go to the bank and ask the staff to check it out, or call customer service to inquire