Sale 1:

https://backpack.tf/profiles/76561198002757046#!/compare/1529193600/1529280000

https://backpack.tf/profiles/76561198133569224#!/compare/1529193600/1530403200

Sold for TW Hermes + ~6.57 keys in sweets

Hermes Mini:

https://backpack.tf/profiles/76561198024867201#!/compare/1530057600/1530144000

https://backpack.tf/profiles/76561198415535845#!/compare/1530057600/1530144000

Sold for 14 keys

https://backpack.tf/profiles/76561198074801033#!/compare/1531094400/1531267200

Sold for C9 Spartan(13) + 2 keys

Total is 15 keys

Taking 14-15 keys.

Total is 21.07 keys

Sale 2:

https://backpack.tf/profiles/76561198133569224#!/compare/1530835200/1531785600'

https://backpack.tf/profiles/76561197988463072#!/compare/1530835200/1531008000

Sold for OF Ballcap(18)

Sale 3:

https://backpack.tf/profiles/76561197988463072#!/compare/1531008000/1531180800

https://backpack.tf/profiles/76561198055622215#!/compare/1531008000/1531180800

Bulk / high

Sale 4:

https://backpack.tf/profiles/76561198055622215#!/compare/1531267200/1531353600

https://backpack.tf/profiles/76561198157150131#!/compare/1531008000/1531353600

Use there.

Sale 5:

https://backpack.tf/profiles/76561198157150131#!/compare/1531440000/1531612800

https://backpack.tf/profiles/76561198040187432#!/compare/1531526400/1531612800

Sold for Aussie Minigun(~17)

https://i.imgur.com/6BuvTTb.jpg

Sellers down to 19, unsold for 20 for 3 months.

Total sales @:

17, 18, 21.07

Calling 21 the outlier, taking 17-18 keys.