Sale 1:

Sold for Magnetic Hat Protector A Head Full of Hot Air + Terror-Watt Pirate Bandana

http://www.tf2outpost.com/trade/28078150 - B/O of 39

Seller: http://backpack.tf/profiles/76561198140468405/#!/compare/1460764800/1460851200

Buyer: http://backpack.tf/profiles/76561198250780894/#!/compare/1460764800/1460851200

A big thank you to Sugarcube for the Bandana suggestion

X = 22 + 22

X = 39 (Capped by B/O)

Sale 2:

Sold for Smoking Stash + Shred Alert

http://www.tf2outpost.com/trade/27866058 - Deleted B/O

Seller: http://backpack.tf/profiles/76561197961309499/#!/compare/1460419200/1460505600

Buyer: http://backpack.tf/profiles/76561198215846504/#!/compare/1460419200/1460505600

X = 38

Sale 3:

Sold for Searing Plasma Defiant Spartan + 5 keys

http://www.tf2outpost.com/trade/28084446 - B/O of 40

Seller: http://backpack.tf/profiles/76561198095022965/#!/compare/1460851200/1460937600

Buyer: http://backpack.tf/profiles/76561198070607803/#!/compare/1460851200/1460937600

X = 28 + 5

X = 33

Sale 4:

Sold with 6 keys for Spec. KS Australium Medi Gun

No outpost link

Seller: http://backpack.tf/profiles/76561198215846504/#!/compare/1460678400/1460764800

Buyer: http://backpack.tf/profiles/76561198140468405/#!/compare/1460678400/1460764800

X + 6 = 32

X = 26

Sale 5:

Sold for Cauldron Bubbles Magistrate’s Mullet + 3 keys + Killstreak Rocket Launcher Kit

No outpost link

Seller: http://backpack.tf/profiles/76561198070607803/#!/compare/1460937600/1461110400

Buyer: http://backpack.tf/profiles/76561198067016966/#!/compare/1461024000/1461110400

Low amount of sales on the mullet, should be used to update it instead

Sellers:

40 keys:

http://puu.sh/ouLsa/48ab8a0347.png - 7 days

50 keys:

http://www.tf2outpost.com/trade/28042157 - 2 weeks

Sales at:

26

33

38

39

26 seems like an outlier, and is probably best not to use it due to the nature of the sale

Going with 33-39