Sale 1: (Dupe)

Sold for Cloud 9 Trash Man (18) + Strange Pro. KS Festive GRU (2) + 1 key

http://www.tf2outpost.com/trade/28351908 - B/O of 16

Seller: http://backpack.tf/profiles/76561198031371895#!/compare/1473897600/1473984000

Buyer: http://backpack.tf/profiles/76561198204595639#!/compare/1473638400/1473984000

X = 16 (Capped by B/O)

Sale 2:

Sold for 15 keys

http://www.tf2outpost.com/trade/28375308 - Deleted B/O

Seller: http://backpack.tf/profiles/76561198058653837#!/compare/1470528000/1470614400

Buyer: http://backpack.tf/profiles/76561198065066667#!/compare/1470528000/1470614400

X = 15

Sellers:

15 keys:

http://www.tf2outpost.com/trade/28514254

http://i.imgur.com/ZfjX6bW.png - 2 months

http://backpack.tf/u/76561198006544512

http://www.tf2outpost.com/trade/28530448 - 2 weeks

http://i.imgur.com/t0z1aLp.png

http://backpack.tf/u/76561198049793971

http://backpack.tf/u/76561198087872092

http://i.imgur.com/XL7XF9g.png

16 keys:

http://www.tf2outpost.com/trade/28561678

http://i.imgur.com/6zuqc28.png

http://backpack.tf/u/76561198053252981 - 12 days

Offers:

http://www.tf2outpost.com/trade/28504901

http://backpack.tf/profiles/76561198035535731

Sales at:

15

16

16 may be too high with the abundance of sellers at 15, one of them being 2 months old.

Going with 15 flat.