These collectible geocaching pathtags are fashioned after the Medallions featured in the comic. There are several species already represented, with several more on the way. They are a sturdy metal coin with a raised design of the species and a hole for keychains.

Species featured so far:

Maned Gryphon (pic)
Sphinx (pic)
Nemean Lion (pic)
Bugbear (pic) (This one, unlike the others before it, features a black plating and glowing features.)
Nixie (pic)