Here, have a packed suggestion (´・ω・)っ由

Sale 1

Sold for a SKS Aussie Black Box (mini at 16)

http://backpack.tf/profiles/76561198091987117#!/compare/1469923200/1470700800

http://www.tf2outpost.com/trade/28382171 ----- B/O was 17 keys

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Mini for the : Sellers for ~16, taking 16

http://imgur.com/a/0Aqdj

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=======> 16 keys

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Sale 2

Was used for the Jefe

http://backpack.tf/profiles/76561198098563620#!/compare/1469923200/1470009600

No Outpost trade

=======> Not using

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Sale 3

Sold for a KaW Scotch Bonnet (mini at 13) + ~2 keys in sweets/refs

http://backpack.tf/profiles/76561198098563620#!/compare/1469836800/1469923200

http://www.tf2outpost.com/trade/28379163 ----- B/O was 14.5 keys, sold quickly.

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Mini for the Scotch: Sold for 13 keys

http://backpack.tf/profiles/76561198187616151#!/compare/1469923200/1470096000

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=======> 13 + 2 = 15 keys

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Sale 4

No idea. It was traded too quickly.

http://backpack.tf/profiles/76561198122527979#!/compare/1469750400/1469836800

http://backpack.tf/profiles/76561198187616151#!/compare/1469836800/1469923200

No Outpost trade

=======> Not using

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Sale 5

Sold for a T-Watt Robo-Glove (outdated at 15) + ~6 refs in sweets

http://backpack.tf/profiles/76561198280159266#!/compare/1469404800/1469836800

http://www.tf2outpost.com/trade/28364612 ----- B/O was 19 keys

Could be used for the Robo-Glove

=======> Not using

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Sale 6

No idea. Histories don't match here.

http://backpack.tf/profiles/76561198280159266#!/compare/1469059200/1469318400

http://backpack.tf/profiles/76561198189486951#!/compare/1469232000/1469318400

No Outpost trade

=======> Not using

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Sellers

- http://www.tf2outpost.com/trade/28404506 ----- 18 keys for 2 weeks

Summary

- Sales for 15, 16.

Going with 15-16 keys. Criticism appreciated!