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
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.)
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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