This limited edition pin released as a Surprise at WDW locations is one of 6 Railroad Train pins with the FAB characters in the cars. Each of the pins have hooks to connect with the other pins (similar to the Snow and the Dwarfs from DS set). Also they are backstamped with Limited Edition 1000 and # of 6. Pluto is featured here in a car. This is a very small pin measuring 7/8" wide by 15/16" high. Gold metal. One post (behind Pluto's left paw). On the back (in EXTREMELY small print!) reads: PLUTO 3 OF 6 Limited Edition of 1,000 (c) DISNEY Made in China Pins in this series include: #15639, #15640, #15641, #15642, #15643, #15644.