123, X Street, Y Avenue
[Subject: Normally bold, summarizes the intention of the letter] -Optional-
Dear Austin Parker ,
The year is about to end, and we want to take this opportunity to thank you for trusting Floyd Enterprises with all your printing needs. We are fully aware that there are now several companies to choose from, but still, you chose us to be the one to serve you. You can always count on us to give you your money’s worth through excellent service and the most reliable products available. As our way of saying thank you, we are enclosing a gift certificate for any printing service or accessory of your choice. We hope for more years of serving you!