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Signing the back of your credit or debit card is generally safe, and some credit cards are not valid without a signature.

Signing the back of your credit or debit card is generally safe, and some credit cards are not valid without a signature.

Signing the back of your credit or debit card is generally safe, and some credit cards are not valid without a signature.

Signing the back of your credit or debit card is generally safe, and some credit cards are not valid without a signature.

Signing the back of your credit or debit card is generally safe, and some credit cards are not valid without a signature.

Signing the back of your credit or debit card is generally safe, and some credit cards are not valid without a signature.

Signing the back of your credit or debit card is generally safe, and some credit cards are not valid without a signature.

Signing the back of your credit or debit card is generally safe, and some credit cards are not valid without a signature.