My paladin is currently wearing the full leather fang set right now. My way of saying fu to the RNG loot gods.I had something very similar, yet a little more gut-wrenching happen to me. I was trying to get the complete https://www.wowhead.com/item-set=1268/the-scales-embrace set on my Alliance Paladin, and looted two pairs of the leather https://www.wowhead.com/item=10413/gloves-of-the-fang (while already having four of the other mail pieces). They're still sitting in his bank, along with a pair of Feet of the Lynx. My Alliance Paladin is definitely the designated account trashcan.
P.S.: I did actually end up getting the https://www.wowhead.com/item=132743/slither-scale-gauntlets.
My paladin is currently wearing the full leather fang set right now. My way of saying fu to the RNG loot gods.
P.S. I looted another slither-scale as I type this