Thanks to pampick for the info!

Sale 1:

https://backpack.tf/profiles/76561198304138933#!/compare/1527552000/1527638400

https://backpack.tf/profiles/76561198118254940#!/compare/1527552000/1527638400

Sold for 41 keys

Sale 2:

https://backpack.tf/profiles/76561198118254940#!/compare/1528502400/1528588800

https://backpack.tf/profiles/76561198096247397#!/compare/1528416000/1528588800

Using on RL

Sale 3:

https://backpack.tf/profiles/76561198096247397#!/compare/1528761600/1528848000

https://backpack.tf/profiles/76561198207185263#!/compare/1528675200/1528848000

Sold with 25 keys for PF Hong Kong + Duped Steaming Dapper

Dapper Mini:

https://backpack.tf/profiles/76561198304138933#!/compare/1526688000/1526774400

https://backpack.tf/profiles/76561198403072474#!/compare/1526774400/1526947200

Sold for 19 keys + 22 ref

Hong Kong Mini:

Unable to mini, however, taking listed price at 75 as a reference point.

Total is 95 - 25 = 70

This number may be lower / higher, so only using as reference, does not affect sales.

Sale 4:

https://backpack.tf/profiles/76561198154189208#!/compare/1524787200/1524873600

https://backpack.tf/profiles/76561198075763406#!/compare/1527724800/1527811200

https://steamcommunity.com/market/listings/440/Unusual%20Tough%20Guy%27s%20Toque

Sold on SCM for 176.32 CAD

Keys at 3.20 CAD

Total is 55.1 keys

Sale 5:

https://backpack.tf/profiles/76561198059021831#!/compare/1528416000/1528502400

https://backpack.tf/profiles/76561198151879911#!/compare/1528329600/1528502400

Sold for Beams Geezer + sweets, however I am unable to trace which sweets. Not using.

Better used there, anyway.

Sale 6:

https://backpack.tf/profiles/76561198151879911#!/compare/1528329600/1528502400

https://backpack.tf/profiles/76561198095236132#!/compare/1528329600/1528502400

Sold for Beams Trucker

Better used there.

Sale 7:

https://backpack.tf/profiles/76561198095236132#!/compare/1528329600/1528502400

https://backpack.tf/profiles/76561198337734785#!/compare/1528416000/1528502400

Keys, probably QS

Sale 8:

https://backpack.tf/profiles/76561198337734785#!/compare/1528502400/1528588800

https://backpack.tf/profiles/76561198093495779#!/compare/1528502400/1528588800

Keys, untraceable.

Sale 9:

https://backpack.tf/profiles/76561198093495779#!/compare/1528934400/1529020800

https://backpack.tf/profiles/76561198293778105#!/compare/1528761600/1529020800

Bulk.

Sale 10:

https://backpack.tf/profiles/76561198293778105#!/compare/1529020800/1529107200

https://backpack.tf/profiles/76561198011321852#!/compare/1529020800/1529107200

Bulk.

Sale 11:

sold for 52 pure

https://imgur.com/a/xAQAQlb

Sale 12:

https://backpack.tf/profiles/76561198207185263#!/compare/1530316800/1530489600

https://backpack.tf/profiles/76561198004517334#!/compare/1530230400/1530403200

Sold for Duped Scorching Copper Top

Unable to mini. Looks low tho.

Total sales @:

41, 52, 55

Seller at 52 has now sold after 4 months.

https://i.imgur.com/8LXMdwE.jpg

Cannot ignore 52, but i don't think it could sell for much higher.

Going with 41 - 52 keys.