This Hermes is powered up by Green Energy!

Hat 1:

Sale 1:

Sold for a Vivid Plasma Capo's Capper + ~33 keys in items

https://backpack.tf/profiles/76561198382589541#!/compare/1525737600/1525824000

https://backpack.tf/profiles/76561198829346622#!/compare/1525651200/1525824000

No Mini available due to no usable sales, excluding.

Sale 2:

1 for 1 for a "It's a Secret to Everybody" Madame Dixie = 55 keys

https://backpack.tf/profiles/76561198829346622#!/compare/1527120000/1527292800

https://backpack.tf/profiles/76561198043936328#!/compare/1527033600/1527120000

Hat 2:

Sale 1: = invalid

Sold with 11 keys pure + 10 in items for a Frostbite Hermes

https://backpack.tf/profiles/76561198317418604#!/compare/1527552000/1527638400

https://backpack.tf/profiles/76561198129838136#!/compare/1527552000/1527638400

Better usable for the Frostbite Hermes.

Sale 2:

Sold for a Haunted Ghosts Infernal Impaler (50 keys) + a key + ~3 keys in items = 54 keys

https://backpack.tf/profiles/76561198073438708#!/compare/1524873600/1524960000

https://backpack.tf/profiles/76561198084166494#!/compare/1524787200/1524960000

Sale 3: = invalid

Sold 1 for 1 for a Time Warp Wraith Wrap

https://backpack.tf/profiles/76561198084166494#!/compare/1524960000/1525132800

https://backpack.tf/profiles/76561198061921663#!/compare/1524787200/1525132800

Already used to price the Wraith Wrap, this is the Mini.

Sale 4: = Invalid

https://backpack.tf/profiles/76561198061921663#!/compare/1525910400/1525996800

https://backpack.tf/profiles/76561198127061013#!/compare/1525910400/1525996800

Untraceable.

Sale 5: = invalid

https://backpack.tf/profiles/76561198127061013#!/compare/1525996800/1526083200

https://backpack.tf/profiles/76561198093495779#!/compare/1525910400/1525996800

Untraceable.

Sale 6: = invalid

https://backpack.tf/profiles/76561198093495779#!/compare/1526083200/1526169600

https://backpack.tf/profiles/76561198068362716#!/compare/1526083200/1526169600

Histories on the items don't match, Untraceable.

Sale 7:

1 for 1 for a Purple Energy Thirst Blood (Mini below)

https://backpack.tf/profiles/76561198068362716#!/compare/1526515200/1526601600

https://backpack.tf/profiles/76561198155476440#!/compare/1526515200/1526601600

Thirst Blood got resold almost instantly, that's why it doesn't appear.

Mini for the Thirst Blood: https://backpack.tf/suggestion/5b1dfacdcf6c75743d04738c

Taking 52.5 keys = 53 keys.

Sale 8:

Sold for a Haunted Phantasm Taunt: Conga (80 keys)

https://backpack.tf/profiles/76561198155476440#!/compare/1527120000/1527206400

https://backpack.tf/profiles/76561198061284371#!/compare/1527120000/1527811200

Sellers and buyers: https://gyazo.com/785b3a45fb6aac01aa50fc2ec9666725

Sales: 53 / 54 / 55 / 80

80 is a high outlier, excluding that. The seller at 55 is young so no reason to exclude here.

Going with 53-55 keys.

Provide supplemental proof, counter proof or report recent sales for this hat in the comments!

Have a nice day!