Sale 1 :

Before : http://backpack.tf/profiles/76561198019190046?time=1439362800

After : http://backpack.tf/profiles/76561198019190046?time=1439449200

Sold for a duped Cloudy Moon Vintage Tyrolean ( ) + 15 keys : 164 + 15 = 179 keys

Mini on the duped tyrolean :

Before : http://backpack.tf/profiles/76561198019190046?time=1439794800

After : http://backpack.tf/profiles/76561198019190046?time=1439881200

Sold for an Orbiting Planets Polar Pullover : 182 * 0.9 = 164 keys

Sale 2 :

Before : http://backpack.tf/profiles/76561198112412669?time=1439276400

After : http://backpack.tf/profiles/76561198112412669?time=1439362800

Sold for a Darkblaze Tough Stuff Muffs ( 2 hats in the world no recent usable sale ) : 211 * 0.9 = 190 keys

Sale 3 :

Before : http://backpack.tf/profiles/76561198064132758?time=1438930800

After : http://backpack.tf/profiles/76561198064132758?time=1439103600

Sold for a Vivid Plasma Brainiac Hairpiece ( 88 ) + a Sunbeams Virtual Reality Headset ( 91 ) + 4 keys in sweets and pure : 183 * 0.9 = 165 keys

Mini on the headset :

Before : http://backpack.tf/profiles/76561198092575474?time=1439103600

After : http://backpack.tf/profiles/76561198092575474?time=1439190000

Sold for a Stormy Storm Virtual Viewfinder ( 113 ) but 22 keys in items were added : 113 - 22 = 91

Sale 4 : http://www.tf2outpost.com/trade/26517366

Before : http://backpack.tf/profiles/76561198067922624?time=1438239600

After : http://backpack.tf/profiles/76561198067922624?time=1438326000

Sold for a Flaming Lantern One-Man Army ( 24 ) + a duped Cloudy Moon Noble Amassment of Hats ( 175 ) : 199 * 0.9 = 179 keys

Mini on the duped amassement of hats :

Before : http://backpack.tf/profiles/76561198061325470?time=1436857200

After : http://backpack.tf/profiles/76561198061325470?time=1436943600

Sold for a Sunbeams Rebel Rouser ( 181 ) but 6 keys in items and pure were added : 181 - 6 = 175 keys

Rounding the range to 165-190 keys.

Supportive criticism welcome