Sale 1:

Sold for Purple Confetti Airdog (14) + ~1 key in metal/items

http://www.tf2outpost.com/trade/29327779 - B/O of 13

Seller: https://backpack.tf/profiles/76561198088765938#!/compare/1502928000/1503014400

Buyer: https://backpack.tf/profiles/76561198085957674#!/compare/1502928000/1503014400

X = 13 (Capped by B/O)

Sale 2:

Sold for 12 keys

http://www.tf2outpost.com/trade/29322775 - B/O of 14

Seller: https://backpack.tf/profiles/76561198299443727#!/compare/1502668800/1502755200

Buyer: https://backpack.tf/profiles/76561198088765938#!/compare/1502582400/1502755200

X = 12

Sale 3:

Sold with a couple keys in items for Smoking Cloud Crasher

Seller: https://backpack.tf/profiles/76561198085957674#!/compare/1502928000/1503014400

Buyer: https://backpack.tf/profiles/76561198132226518#!/compare/1502928000/1503014400

Should be used on the Cloud.

Sale 4:

Bulk for Blizzardy Flamenco

Seller: https://backpack.tf/profiles/76561198132226518#!/compare/1503360000/1503446400

Buyer: https://backpack.tf/profiles/76561198338452906#!/compare/1503360000/1503446400

Sale 5:

Bulk for something

Seller: https://backpack.tf/profiles/76561198338452906#!/compare/1503532800/1503705600

Buyer: https://backpack.tf/profiles/76561198126387895#!/compare/1501459200/1503705600

Sale 6:

Bulk for things

Seller: https://backpack.tf/profiles/76561198126387895#!/compare/1503705600/1503792000

Buyer: https://backpack.tf/profiles/76561197993383111#!/compare/1503619200/1503705600

Sellers:

13 keys:

http://i.imgur.com/585UdBb.png - lowered/re-listed, about 1 week total:

https://backpack.tf/item/5701756945

Sales at:

12

13

Going with 12-13.