Sale 1:

Sold for 7 keys + ~8 keys in items

No outpost

Seller: http://backpack.tf/profiles/76561198019556015#!/compare/1472860800/1472947200

Buyer: http://backpack.tf/profiles/76561198150974345#!/compare/1472860800/1472947200

Pro. KS Holiday Punch Kit and Arthropods Aspect were involved in the trade, but don’t show when sorting by time

X = 15

Sale 2:

Sold for 14 keys

http://www.tf2outpost.com/trade/28525783 - B/O of 14, Seller confirms sale (legend)

Seller: http://backpack.tf/profiles/76561198016583076#!/compare/1475798400/1475884800

Buyer: http://backpack.tf/profiles/76561198153365456#!/compare/1475884800/1475971200

X = 14

Sale 3:

Sold for 10 keys + Strange Pro. KS Loose Cannon (5)

http://www.tf2outpost.com/trade/28385297 - B/O of 14

Seller: http://backpack.tf/profiles/76561198006544512#!/compare/1470614400/1470700800

Buyer: http://backpack.tf/profiles/76561198132206374#!/compare/1470700800/1470787200

X = 14 (Capped by B/O)

Sale 4:

Sold for DBD Boron Beanie

http://www.tf2outpost.com/trade/28518767 - B/O of 14

Seller: http://backpack.tf/profiles/76561198108219926#!/compare/1475452800/1475539200

Buyer: http://backpack.tf/profiles/76561198170888073#!/compare/1475366400/1475539200

Can be used to update the Beanie

Sellers:

16 keys:

http://i.imgur.com/VwTKhZG.png

http://backpack.tf/u/76561198153365456

Sales at:

15

14 (2x)

Going with 14-15