What is the CSV and how does it look?

For your protection, we ask that you enter an extra 3-4 digit number called the CSV.

The CSV is NOT your PIN number. It is an extra ID printed on your Visa, MasterCard,
Discover, or American Express Card.

Visa, MasterCard, and Discover: On the back of the card in the top-right corner of the signature
box. Enter the three-digit number following the credit card number. (See below.)

American Express: On the front of the card. Enter the four-digit number on the right
directly above the credit card number. (See below.)

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