4 months old price

Sales

http://www.tf2outpost.com/trade/23252731 - sold along with peace stovepipe ~1.5 for knifestorm kabuto ~8.7 = ~8.7-1.5 = ~7.2 ( http://www.tf2outpost.com/trade/22951866 ) ~outlier

http://www.tf2outpost.com/trade/22875731 - sold along with clean max ~3.3 for duped houwar ~10.5 + s prof kritz ~2.3 = ~12.8*0.9 - 3.3 = ~11.5-3.3 = ~8.2

Proof that the owner of houwar was offering: http://www.tf2outpost.com/trade/23049346

Backpack of seller after the trade:

http://backpack.tf/profiles/76561197994321305?time=1413788400

Backpack of buyer after the trade:

http://backpack.tf/profiles/76561198044521934?time=1413788400

Duped sales:

http://www.tf2outpost.com/trade/22756407 - sold for beams pampered pyro ~9 + 1 bud = ~9 ( http://backpack.tf/profiles/76561198050027232?time=1412146800 )

http://backpack.tf/profiles/76561198048956541?time=1414047600 > http://backpack.tf/profiles/76561198048956541?time=1414134000 - sold for knifestorm tyrants ~8.5*0.9 = ~7.7

Sellers

http://www.tf2outpost.com/trade/22827269 - 9 B/O, 1 month

Mini on s prof kritz:

Average SMC price (excluding tax) is ~90$ = ~36 keys (taking 1 key = ~2.5 SCM $) = ~2.3 buds

For more info check out polar's comment in my previous suggestion:

http://backpack.tf/vote/id/545d50b1ba8d88fa0d8b45d4