Shown in the background are fireworks.   Featured on this pin is Cinderella Castle which is at the centre.   The pin is a castle shaped pin.   Walt Disney World 50th Anniversary are also relevant for this pin.   Written on this  pin is "Walt Disney World The World's Most Magical Celebration" in yellow with a dark blue background.
This  pin features both Mickey Mouse and Minnie Mouse.   Mickey Mouse who is wearing yellow shoes, a light blue shirt and light blue trousers or pants is located at the left of this pin.   Minnie Mouse who is wearing a yellow head bow and a light blue dress is found at the right of the pin.  

Featured on the pin is a castle and fireworks.

The reverse of the pin is gold and has impressed mickey heads.  Written on the reverse of the pin is “50 Pin Trading ©Disney MADE IN CHINA FABRIQUE AU CHINA HECHO EN CHINA FAC-000122-21110”.  There is a Disney Pin Trading Logo on the rear of the pin.  Found on the back of this pin are two posts.