ok so dis is outdated too.

sale 1: sold with a g.balloonicorn[2 keys] for terror watt counterfeit billycock[14 keys via mini]

http://backpack.tf/profiles/76561198150762137?time=1429513200

http://backpack.tf/profiles/76561198150762137?time=1429599600

14-2=12

mini on billy: sold for dbd pyros boron beanie[15.5 keys]

http://backpack.tf/profiles/76561198150762137?time=1429772400

http://backpack.tf/profiles/76561198150762137?time=1430118000

15.5*0.9=13.95 rounding to 14

can someone update that billycock, it is definitely not over 20 keys

other sales i found were in bulk deals, or i couldnt track.

taking a final price of 12 keys.