1. Pin 19847 Animal Kingdom Today is My Birthday Pin. Disney backstamp. Metal/enamel. There are no flaws on front of button. Back of button has some discoloration due to age. 2. This button is given out at City Hall in the Magic Kingdom and various locations throughout the WDW resort when a guest comes up and tells them it's their birthday today. Disney backstamp. Metal/enamel. This button has no flaws on the front and minor discoloration due to age. 3. This button is given out at City Hall in the Magic Kingdom and various locations throughout the WDW resort when a guest comes up and tells them it's their birthday today. Disney backstamp. Metal/enamel. This button has no flaws on the front and minor discoloration due to age.