another outdated piece of crap ;)

sale 1: sold with s.bird man for smoking dixie[9 keys]

http://backpack.tf/profiles/76561198059793248?time=1432882800

http://backpack.tf/profiles/76561198059793248?time=1432969200

9*0.9=8.1-1=7.1

no unusual should be priced less than 8 keys, even if its this...

sale 2: sold with a bills[2 keys] for aces high tricorne[13 keys via mini]

http://backpack.tf/profiles/76561198059793248?time=1430636400

http://backpack.tf/profiles/76561198059793248?time=1430722800

13-2=11

sale 3: sold with s.spec ks sniper rifle[1 key via mini]+sweets around a key~ for dbd hetman's headpiece[13.5 keys]

http://backpack.tf/profiles/76561198186018218?time=1428562800

http://backpack.tf/profiles/76561198186018218?time=1429426800

13.5*0.9=12.15 rounding to 12

12-2=10

mini on sniper rifle: http://gyazo.com/e6d0bdc277a1fb8d19ac58604da1b2ea

rounding to 1 key.

mini on tricorne: sold for bubbles merryweather[14 keys]

http://backpack.tf/profiles/76561198158080791?time=1430636400

http://backpack.tf/profiles/76561198158080791?time=1430722800

14*0.9=12.6 rounding to 13

taking a final price of 10-12 keys.