Sale #1:

Sold for Miami Nights Liquidator's Lid + Gifted Smoking Hermes + 6 keys

http://www.tf2outpost.com/trade/26825205

http://backpack.tf/profiles/76561198013581823?time=1440399600 - 24th August

http://backpack.tf/profiles/76561198013581823?time=1440572400 - 26th August

X = (22 + 11)0.9 + 6

X = 36

Gifted Smoking Hermes sold for 11 keys:

http://www.tf2outpost.com/trade/26882536

http://backpack.tf/profiles/76561198013581823?time=1440658800 - 27th August

http://backpack.tf/profiles/76561198013581823?time=1440745200 - 28th August

Sale #2:

Sold for DBD Yellow Belt = 36 keys

http://www.tf2outpost.com/trade/26840625 - Lid owner offered

http://backpack.tf/profiles/76561198033746254?time=1441609200 - 7th September

http://backpack.tf/profiles/76561198033746254?time=1441695600 - 8th September

DBD Yellow Belt sold for Spec. KS Aussie Sniper Rifle + 5 keys in sweets

http://www.tf2outpost.com/trade/26837670

http://backpack.tf/profiles/76561198085195196?time=1439967600 - 19th August

http://backpack.tf/profiles/76561198085195196?time=1440140400 - 21st August

X = (35+5)0.9

X = 36