a) http://www.tf2outpost.com/trade/22669164

http://www.tf2outpost.com/trade/22869654

Time warp robo tower + 47 keys = ?

b) http://www.tf2outpost.com/trade/22307610

92 keys -> 5.7 Buds

c) http://www.tf2outpost.com/trade/22276378

http://www.tf2outpost.com/trade/22297468

Seems like he offered

http://www.tf2outpost.com/trade/22131715

Im not sure

1:1 with aces robo gibus

No sweets founds

5.3

d) http://www.tf2outpost.com/trade/22266369

http://www.tf2outpost.com/trade/22281258

1:1 with knifestorm vintage merryweather 6.3

6.3*0.9 = 5.67 -> 5.7

e) http://www.tf2outpost.com/trade/22163983

As set For a c9 deep core

Nickel + sensei (2) + fortified 14 keys + with profesional kit

Mini for kit

http://steamcommunity.com/market/listings/440/Professional%20Killstreak%20Fortified%20Compound%20Kit

Sold for $10.98

Ref is $0.245

10.98/0.245 = 44.8 ref

44.8/9 = 5 keys

Fortified with profesional

14+5 = 19 .. Keys to Bud

19/16 = 1.2

x + 3.2 = 10.2 -> 9.2 after overpay

6 buds , outlier

f) http://www.tf2outpost.com/trade/21144503

http://www.tf2outpost.com/trade/21400068

AF robo towering

6.4 -> 5.76 after overpay

Finally :

2 sales for 5.7

1 for 5.8 kinda old

1 unpriced

1 for 6 as set

1 for 5.3 maybe outlier

I prefer 5.7 flat just for that