Send Free Working with You is a Gift! Happy Birthday Wishes Card for Boss to Loved Ones on Birthday & Greeting Cards by Davia. It's free, and you also can use your own customized birthday calendar and birthday reminders.
Free and Funny Birthday Ecard: Happy Birthday Boss! I am giving you the gift that is my awareness of your birthday, my act of kindness by showing up for work and my availability to help eat your b-day cake.