sale 1: sold with black painted strange heers helmet[3 keys including paint] for bubbles rack[33 keys]

http://backpack.tf/profiles/76561198101210182?time=1433314800

http://backpack.tf/profiles/76561198101210182?time=1433401200

33*0.9=29.7

29.7-3=26.7 rounding to 27

sale 2: sold for s.prof ks grenade launcher[7.5 keys via mini]+s.spec ks scattergun[1.5 keys via mini]

http://backpack.tf/profiles/76561198101373043?time=1432364400

http://backpack.tf/profiles/76561198101373043?time=1432537200

7.5+1.5=9

9*0.9=8.1 rounding to 8

too low, not using.

sale 3: sold for 38 keys?

http://backpack.tf/profiles/76561197977534237?time=1432710000

http://backpack.tf/profiles/76561197977534237?time=1433055600

sellers on OP make this an outlier.

http://www.tf2outpost.com/trade/23436365 32 keys @ 7 months

http://www.tf2outpost.com/trade/26051787 31 keys @ 3 weeks

mini on grenade launcher: http://gyazo.com/aeb84f6801dad531ded7bcd3c52717e7

rounding to 7.5 keys.

mini on scattergun: http://gyazo.com/aa6ec2b27caca9b48573893363e3775b

rounding to 1.5 keys.

sales at 8, 27, and 38. calling 8 and 38 outliers.

taking final price of 27 keys.