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Apr/May 14 e-mag Vol 35 No 6 is inactive, and could not be added to the order. Products In This Order...
The card verification value is an important security feature for credit card transactions on the internet.
MasterCard, Visa and Discover credit cards have a 3 digit code printed on the back of the card while American Express cards have a 4 digit code printed on the front side of the card above the card number.
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