http://i.gyazo.com/9a3fc829cd0c8909ea4cc80a076042f1.png

trio of increase, refresh and decrease ^

sale 1: sold for s.professional ks beggars bazooka[5 via mini]

http://backpack.tf/profiles/76561198053230025?time=1432450800

http://backpack.tf/profiles/76561198053230025?time=1433055600

sale 2: sold for terror watt ye oiled baker boy[13 via mini]

http://backpack.tf/profiles/76561198068356593?time=1431327600

http://backpack.tf/profiles/76561198068356593?time=1431414000

mini on bazooka: 5 keys

http://gyazo.com/667bdc658999aa0405cd085e86b81037.png

mini on ye oiled baker boy: sold for smoking shooters tin topi[12 keys]+2 keys in sweets

http://backpack.tf/profiles/76561198118399924?time=1431759600

http://backpack.tf/profiles/76561198118399924?time=1431846000

12*0.9=10.8 rounding to 11

11+2=13

sales at 5 and 13. calling 5 an outlier.

taking final price of 13 keys.