Murky's Coin

Source
This item is fished from the fountain in Dalaran at the Broken Isles.

Context
Murky is a baby murloc being raised by King Mrgl-Mrgl in Highmountain.

Considering the coin is written in Nerglish instead of Common, it's likely not related to the other Murky.

Criteria of

 * The Wish Remover