Sale 1:

Sold for Bubbling Nanobalaclava + ~6 keys in items

http://www.tf2outpost.com/trade/28375283 - B/O of 14

Seller: http://backpack.tf/profiles/76561198021055079#!/compare/1469059200/1469145600

Buyer: http://backpack.tf/profiles/76561198262145310#!/compare/1469836800/1469923200

X = 14 (Capped by B/O)

Nanobalaclava would have to be less than 8 keys to affect the value of this sale, which cannot happen due to buyers.

Sale 2:

Sold for Orbiting Fire Glengarry Bonnet (11)

http://www.tf2outpost.com/trade/28328621 - B/O of 12

Seller: http://backpack.tf/profiles/76561198313861131#!/compare/1468108800/1468195200

Buyer: http://backpack.tf/profiles/76561198068319553#!/compare/1468108800/1468195200

X = 11

Sale 3:

Sold for Planets Western Wear

No outpost

Seller: http://backpack.tf/profiles/76561198156774374#!/compare/1465257600/1465430400

Buyer: http://backpack.tf/profiles/76561198002186909#!/compare/1465257600/1465344000

X = 11

No current sellers

Glengarry Mini:

Sold for 6 keys + ~7 keys in items

http://www.tf2outpost.com/trade/28342198 - B/O of 11

Seller: http://backpack.tf/profiles/76561198150729559#!/compare/1468627200/1468713600

Buyer: http://backpack.tf/profiles/76561198061219874#!/compare/1468713600/1468800000

X = 11

Sales at:

11 (2x)

14

Mini on the glengarry is probably a little low, but it should fit in the range anyways

Going with 11-14