Graphics for Wyrmheim weapon wrong

Platform, device and operation system
Samsung android

What were you expecting to happen, and what actually happened
Under dungeons/rewards the graphics for the weapon shows a battle axe instead of a serpentine maul
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How often does this happen? When did it begin happening?
Always in Version 0.39. Elder versions I dont know.

Is this a once-off issue or has it been a consistent issue? Does it only happen in specific circumstances?

Steps to make it happen again
Please detail the steps taken to trigger this bug. The more detailed the breakdown, the easier it is for us to test in-house.