And then got this:
Dear B,
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Thank you for your recent request for a credit limit increase. We're writing to let you know we're unable to approve your request at this time for the following reason(s):
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We cannot increase the credit limit of a Card within six months of increasing the credit limit on another American Express Card.
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As you continue to manage your accounts, we recommend you take advantage of the tools we offer at americanexpress.com/managemycard. You can check your balances, make payments, set up account alerts and learn more about ways you can protect your credit.
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If you have any questions, please call 1-800-535-7790 or write to us at the address above. You can also learn more about managing your credit at americanexpress.com/consumerresources.
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Thank you for your Card Membership.
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Sincerely,
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Andrew Skinner
VP Global New Accounts