Blue Helium filled Balloon with Mickey Mouse's head inside. Has a gold lame thread type of string. Pins in series include: #4528, #4529, #4530, 5869, #6432, #6464.

4th addition to the balloon CM series. The is a grey balloon with a gold string tied to it. Pluto's famous face is in the middle. This pin is Cloisonne enamel. Pins in series include: #4528, #4529, #4530, 5869, #6432, #6464. On July 20, 2002 this series went on sale for $1.60.