Sale 1 :

Before : http://backpack.tf/profiles/76561198058834083?time=1442991600

After : http://backpack.tf/profiles/76561198058834083?time=1443078000

Sold for a Spellbound Das Gutenkutteharen : 87 * 0.9 = 78 keys

Mini on the guten :

Before : http://backpack.tf/profiles/76561198091808119?time=1433142000

After : http://backpack.tf/profiles/76561198091808119?time=1433314800

Sale is a bit old but better then a 1 year outdated hat.

Sold for a Green Energy Bomber's Bucket Hat : 87 keys

Sale 2 :

Before : http://backpack.tf/profiles/76561197961465738?time=1443596400

After : http://backpack.tf/profiles/76561197961465738?time=1443682800

Sold for a Something Burning This Way Comes Bubble Pipe : 97 * 0.9 = 87 keys

Mini on the bubble pipe :

Before : http://backpack.tf/profiles/76561198107829905?time=1437548400

After : http://backpack.tf/profiles/76561198107829905?time=1437634800

Sold for a Blizzardy Storm Tipped Lid ( 80 ) + a ks aussie flame thrower ( 17 ) : 97 keys

Only recent usable sales and none on the market.

Rounding to 80-85 keys.

Supportive criticism welcome

PS : Thx to kevin for the 2nd sale :)