Originally Posted by
j3brooklyn
They actually have a "Substitute Payment Ticket" (with a turquoise edge) that is used for making payments towards Citi credit cards, mortgages, or other loans. Fill in your name, address, and Citi credit card number and bring it to the teller with those coins.
Since your making a CC payment, wouldn't it be easier and more secure to simply present the payment coupon from your statement?