Images:

gw2-cutthroat-callergw2-cutthroat-caller-2gw2-cutthroat-caller-3

Set:

Slot Item Name Trading Post Preview Code
Warhorn http://db.dulfy.net/item/44967 GW2 TP [&AgGnrwAA]

Where to Obtain:

Random drop off champion bags (Embroidered Coin Purse)