Gnome Engineer Membership Card

This Gnome Engineer Membership Card is no longer available from patch 3.1.0. The renewal quest have also been removed.

Source
This item is a quest reward from the following quests:
 * Show Your Work (Gnome)
 * Membership Card Renewal

Trivia
The "Mechanical Engineering Guild, Associated" mentioned on the card shortens to "MEGA". This seems to be intended (compare Goblin Engineer Membership Card).