This hat hasn't been updated in so long.

Proof:

Sale #1:

http://www.tf2outpost.com/trade/29184990 ~ (Sold for 66 Keys)

Backpack of Seller:

https://backpack.tf/profiles/76561198096389539?time=1497571200 ~ (Before)

https://backpack.tf/profiles/76561198096389539?time=1497657600 ~ (After)

Backpack of Buyer:

https://backpack.tf/profiles/76561198301389047?time=1497571200 ~ (Before)

https://backpack.tf/profiles/76561198301389047?time=1497657600 ~ (After)

Additional Proof(Sale #1):

https://backpack.tf/profiles/76561198301389047#!/compare/1497571200/1497657600

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The keys don't match. The seller's end shows it sold for an Insmonia HKC + Haunted Ghosts Batter's Helm:

https://backpack.tf/profiles/76561198132226518#!/compare/1500768000/1500854400

http://www.tf2outpost.com/trade/29293238 - B/O of 78, caps at that

Histories for those unusuals do match.

Another sale:

Sold for 43 keys + Bubbling War Pig (Outdated)

https://backpack.tf/profiles/76561198301389047#!/compare/1500595200/1500854400

http://www.tf2outpost.com/trade/29286610 - B/O of 75

This'll most likely fall into the range if we go with 66-78.

Credits also go to Jarool for masive help. -Thanks Jarool