Wowhead - Pin Trading is a big BlizzCon activity, with dozens of new pins to collect and trade of your favorite characters. We've made a guide to all Blizzard pins as well
Blizzard Series 9 Individual Blind Pin Pack – Blizzard Gear Store
BlizzCon 2015 Pin-Trading Guide: How to Trade, Complete List of All Blizzard Pins - Wowhead News
Complete 10 pin set Blizzcon Series 7 color Pins blizzard | eBay
Blizzard Overwatch Set of 30 Buttons Pins Badges - Set 2 | eBay
For all the pin collectors out there. My rough image of current pin sets. Made in prep for blizzcon. : r/blizzcon
Holy Grail of eSports Collectibles - Game Life
Blizzard Series 9 Collector's Edition Pin Set – Blizzard Gear Store
Blizzplanet Giveaway: Blizzard Series 7 Collector's Edition Pin Set
FiGPiN Overwatch McCree Blizzard Exclusive Pin #171 - US