C V V is a number printed on your credit card. You may find your 3-digit card verification number in the signature area on the back of your credit card. Your credit card number should be printed on the back of your card along with the 3-digit number at the end.
For the American Express card, you will find your 4-digit card verification number is on the front of the credit card above your credit card number on either the right or left side of the credit card.
