1234, Main Street
Boston, MA 02123
07 April, 2005
<Recipient Address Goes Here>
I just heard about your big achievement and wanted to express my congratulations. I know how very hard you have worked and how much you deserve <achievement>. You must be very proud of what you have accomplished.
Congratulations on a job well done! I hope you’ll do something special to celebrate this huge honor.
encl: <List of enclosed items goes here>