This pin is from "Disney's Best Friends" Mystery Collection.
This pin shows Pluto and Mickey Mouse. At the left of the pin is Pluto. Pluto is smiling and has closed eyes. We see Mickey Mouse at the right of the pin. Mickey Mouse is petting Pluto in this pin. He is standing over a green circle frame.
The rear of the pin is silver and has impressed mickey heads. On the reverse of the pin is written "Authentic Official Pin Trading 2012 Disney Parks (C) Disney Made in China". The reverse of the pin features the Disney Pin Trading Logo. This pin has two posts on the back.