I have Gent's official backing. http://gyazo.com/84f235f8c0213be4de2a3e09d12e698c

Sale #1

http://www.tf2outpost.com/trade/23595322

B/O: 20 keys

Sold for 13 keys (Foster's Facade and the ref weren't involved in the trade)

BP Before -> http://backpack.tf/profiles/76561198062683227?time=1415347200

BP After -> http://backpack.tf/profiles/76561198062683227?time=1415433600

Sale #2

http://www.tf2outpost.com/trade/24097191

B/O: 18 keys (1 bud and 5 keys, buds were ~13 keys)

Sold for Orb. Fire Bicorne (1.3 buds = ~17 keys, as buds were 13 keys) 17*0.9= 15.3 keys rounding to 15 keys

BP Before -> http://backpack.tf/profiles/76561198073990061?time=1416038400

BP After -> http://backpack.tf/profiles/76561198073990061?time=1418457600

I'm not sure if anything else was added.

Sold for 15 keys

Sale #3

http://www.tf2outpost.com/trade/24119912

B/O: 18 keys

Couldn't find what he sold it for...

BP Before -> http://backpack.tf/profiles/76561198121381900?time=1418025600

BP After -> http://backpack.tf/profiles/76561198121381900?time=1418198400

History of the item doens't show him as an owner http://backpack.tf/item/930544017

I couldn't find any other recent sales. I don't really know if I did something wrong, help is appeciatted :P