Sale 1:

Sold for Terror-Watt Herald’s Helm (Suggestion at 21.5) + minor items

http://www.tf2outpost.com/trade/29352890 - No visible B/O

Seller: https://backpack.tf/profiles/76561198132226518#!/compare/1505692800/1505779200

Buyer: https://backpack.tf/profiles/76561198166939443#!/compare/1505692800/1505779200

X = 22

Sale 2:

Sold for 17 keys + Rocket Launcher skin (3)

No outpost

Seller: https://backpack.tf/profiles/76561198216561389#!/compare/1503878400/1503964800

Buyer: https://backpack.tf/profiles/76561198240222514#!/compare/1503792000/1503964800

X = 20

Sale 3:

Quicksold for 17 keys

Seller: https://backpack.tf/profiles/76561198094849912#!/compare/1510444800/1510531200

Buyer: https://backpack.tf/profiles/76561198137888552#!/compare/1510444800/1510531200

X = 17

Sale 4:

Sold for 14 keys + minor items

Seller: https://backpack.tf/profiles/76561198267189538#!/compare/1510272000/1510358400

Buyer: https://backpack.tf/profiles/76561198077919444#!/compare/1510272000/1510358400

X = 14

Terror-Watt Herald’s Helm:

https://backpack.tf/suggestion/5a0a674ccf6c75543404abe2

Sellers:

21 keys:

https://i.imgur.com/f32Slcj.png - 1 day

Sales at:

14

17

20

22

17 quicksold, excluding 14 and 17.

Going with 20-22.