Sale's a month old, valid, right?

Only Sale

http://www.tf2outpost.com/trade/26698605 Sold for OF Country + Pro KS Wrench

B/O for Country was 17

Glove had no trade, but wasn't offered

X = 15*0.9 + 11*0.9

X = 23

Wrench http://backpack.tf/item/2570334715

Glove http://backpack.tf/item/3165260401

Country http://backpack.tf/item/985490340

Mini for Country

http://backpack.tf/vote/id/5624b9aeba8d88c613a41ce9 15 keys, using 15

Mini for Wrench

http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Wrench Sold for $28.45 on Aug 22nd

28.45 + 28.45/1.15 = 53.19

53.19/2 = 26.60

Keys were $2.43 at time of sale

26.60/2.43 = 11 keys