First thing I'll told is that all those screen are 100% authentic(no model editing on the weapon ,nothing), on live server
I'll explain you how that unique came in my hand
Now I'll explain you the story,
Once upon a time in a karazhan raid, Aran had bugged, and the door wont opened anymore so we called a GM, before the gm answered us i droped my heartstone, to try auto unstuck behind the door, then he told us to leave kara the time he open the door, but i couldn't cause i dont have hs, so I told him to gimme one and he gimme that item instead of a hs.
That mace as a gun skin and his name is unique in the world(check allkhazam if you want)
Last thing, sry for my bad english and if you think I m not telling the truth, I can do anything to prove you its real.(I have the screen with the gm giving me the item)
~Lethäl