Pluto appears on a holiday wreath wearing a Santa hat and a candy cane in his mouth in this Limited Edition pin. This pin is not sold individually. It is part of the Happy Holiday 2008 Mystery Tin Set. Pins measure approximately 1 1/2 Diameter. Pins from the tins I bought have 2 nubs next to the post - one on either side of the post, and the back of the pin is a pebble silver finish. Pins in this mystery collection include: 65657, 66637, 66638, 66639, 66640, 66641, 66642, 66643, 66644 and 66645. ******************* Please be advised that there are unauthorized versions of these pins being sold from China directly to individuals not associated with Disney. No one can guarantee the authenticity of this pin unless it is purchased at Disney.