Please include as much of the following information as possible to help me fix the bug:

Relic Coffer Key item is not showing in Selling tab at auction house. Tried to reload, did not help.

Please include a brief description of the bug, including what you were doing, and when it occurred.

Need to have that item in the bag, try to sell it.

Include the steps I would need to follow to reproduce the bug.

Loaded Addons

Include a list of addons you were running at the time this bug occurred.

Back Trace (LUA Error Output)

You can get this through the use of !BugGrabber and BugSack addons.

I've added a fix into the latest alpha, available shortly.