That 51 key B/O on outpost tho

Sale 1

http://www.tf2outpost.com/trade/27019344 Sold for Spec KS Aussie Rifle

B/O for Cowl was 24

Sniper had no trade, presuming offered

X = 36.7*0.9

X = 33

X = 24 (B/O)

Rifle http://www.tf2outpost.com/item/440,4126788829,201,11 (Because Cowl owner didn't appear in the bp history http://backpack.tf/item/3604849552 )

Cowl http://backpack.tf/item/3502522908

Mini for Sniper

http://steamcommunity.com/market/listings/440/Strange%20Specialized%20Killstreak%20Australium%20Sniper%20Rifle Sold for 95.01, 92.01 and 100 on September 12th

Avg of the 3 sales = $95.67

95.67 + 95.67/1.15 = 178.86

178.86/2 = 89.43

Keys were $2.44 at time of sale

89.43/2.44 = 36.7 keys

Sale 2

http://www.tf2outpost.com/trade/26330069 Sold for DP Bonk Boy

B/O for Cowl was 26

X = 26*0.9

X = 23

Bonk http://backpack.tf/item/3976837903

Cowl http://backpack.tf/item/3441081009

Mini for Bonk

http://backpack.tf/vote/id/55fe5726b98d88cc0d8b4665 26 keys, using 26