Released in 2011 as a Limited Edition piece from the Minnie Mouse D Expo mystery collection, this pin commemorates the 40th Anniversary of Walt Disney World and features the character with the th WDW logo featuring an Mickey head guest relations icon; right ear bearing the D expo logo. The design shows Minnie Mouse in a dynamic pose wearing a red bow while placing it on a Mickey icon, with the word "Walt Disney World" visible at the bottom. This limited release set includes characters such as Pinocchio , Big Al , Cinderella , Mickey , Goofy , Grumpy/Dopey , Orange Bird , Pluto , Tinker Bell , Minnie , and others alongside various chasers versions of these figures, crafted with a gold metal back that displays mickey heads running off the edge post features no nubs. Back stamp details include two boxes and two rectangles labeling DISNEY MADE IN CHINA, Pin Trading logo with Mickey head in center, Disney D Expo LIMITED RELEASE. The dimensions are ½” x ½”. This item is crafted by Alex Maher and Quynh Kimball as part of a collector's series including , Chaser , Orange Bird/Chaser , Pinocchio/Chaser , Tinker Bell/Chaser , Big Al/Chaser , Cinderella/Chaser , Mickey/Chaser , Goofy/Chaser , Grumpy/Dopey/Chaser, Pluto/Chaser , Minnie/Chaser .