Sale 1:

Sold for 14 keys + ~1 key in metal

Seller: https://backpack.tf/profiles/76561198448207173#!/compare/1544918400/1545091200

Buyer: https://backpack.tf/profiles/76561198029534325#!/compare/1544659200/1545091200

https://backpack.tf/item/623645887

X = 15

Sale 2:

Sold to a bot for 14 keys + some ref

Seller: https://backpack.tf/profiles/76561198362008411#!/compare/1538697600/1538784000

Buyer: https://backpack.tf/profiles/76561198448207173#!/compare/1538611200/1538784000

https://backpack.tf/item/623645887

X = 14

Sale 3:

Untraceable

Seller: https://backpack.tf/profiles/76561198041822925#!/compare/1538092800/1538352000

Buyer: https://backpack.tf/profiles/76561198354014003#!/compare/1537660800/1538179200

https://backpack.tf/item/623645887

Sale 4:

Untraceable

Seller: https://backpack.tf/profiles/76561198354014003#!/compare/1538352000/1538438400

Buyer: https://backpack.tf/profiles/76561198128953533#!/compare/1538265600/1538352000

https://backpack.tf/item/623645887

Sale 5:

Bulk, probably for pure

Seller: https://backpack.tf/profiles/76561198128953533#!/compare/1538524800/1538611200

Buyer: https://backpack.tf/profiles/76561198362008411#!/compare/1538524800/1538611200

https://backpack.tf/item/623645887

Sale 6:

Untraceable

Seller: https://backpack.tf/profiles/76561198268944083#!/compare/1541289600/1541894400

Buyer: https://backpack.tf/profiles/76561198255578773#!/compare/1541289600/1541462400

https://backpack.tf/item/189708278

Sale 7:

Sold with a key for Terror-Watt Familiar Fez

Seller: https://backpack.tf/profiles/76561198255578773#!/compare/1540252800/1541289600

Buyer: https://backpack.tf/profiles/76561198156525218#!/compare/1540684800/1541289600

May be better to use on the Fez, though it’s likely that this sale won’t be used on either hat. Too high on the fez, and too low here.

Sales at:

14

15

https://i.imgur.com/vsbDXkG.png - Buyer at 14, excluding 14.

Going with 15 flat