DND 5E Character Class + DM Hard Enamel Pins Set of 15 PCS Tabletop RPG Badges - Nerd Gift or Collection for Dungeons and Dragons, Dungeon Master and D&D Player : Amazon.co.uk:
Just Geek - Pin Kings Elf Christmas Enamel Pin Badge Set 1.2
Board Game Genre Enamel Pins - Etsy UK
Enamel Pin – Big Potato Games
Board Game Enamel Pins by Shannon McDowell — Kickstarter