Sale 1

https://backpack.tf/profiles/76561198150129955#!/compare/1542931200/1543017600

https://backpack.tf/profiles/76561198419908094#!/compare/1542931200/1543017600

Sold for a Orbiting Fire Private Eye (13.5), 1 Pure and ~1 Key in adds.

= 16 Keys

Sale 2

https://gyazo.com/9e16850594b7c1254941dc5037eddc6e?token=874691d400588e43daa4635845f76fe3

Quickbought for 13 Pure

Sale 3

https://backpack.tf/profiles/76561198273681900#!/compare/1547078400/1547251200

https://backpack.tf/profiles/76561198087554278#!/compare/1546992000/1547251200

Sold for a Pro Ks. Aussie SMG + 10 Keys

= 20 Keys

Sale 4

https://backpack.tf/profiles/76561198220182655#!/compare/1546560000/1547164800

https://backpack.tf/profiles/76561198142628224#!/compare/1547164800/1547251200

Untraceable

Sale 5

https://backpack.tf/profiles/76561198142628224#!/compare/1547164800/1547251200

https://backpack.tf/profiles/76561198220182655#!/compare/1546214400/1546387200

Sold for 15 Pure, Keys were used to buy the Translator

Sale 6

https://backpack.tf/profiles/76561198247769640#!/compare/1546214400/1546387200

https://backpack.tf/profiles/76561198394877897#!/compare/1546128000/1546214400

untraceable, probably sold to buyorder

Sale 7

https://backpack.tf/profiles/76561198247769640#!/compare/1545264000/1545350400

https://backpack.tf/profiles/76561198337734785#!/compare/1545264000/1545350400

untraceable

Sale 8

https://backpack.tf/profiles/76561198139621674#!/compare/1544313600/1544745600

https://backpack.tf/profiles/76561198337734785#!/compare/1544227200/1544313600

untraceable

Can't see an outlier, going with 15-20

That's it and that's all.