Resuggestion, thanks to Conga for the info!

Sale 1:

https://backpack.tf/profiles/76561197960285086#!/compare/1540771200/1540857600

https://backpack.tf/profiles/76561198058231110#!/compare/1540512000/1540944000

Spells?

Sale 2

https://backpack.tf/profiles/76561198058231110#!/compare/1541030400/1541203200

https://backpack.tf/profiles/76561198287103299#!/compare/1541289600/1541376000

Untrace

Sale 3:

https://backpack.tf/profiles/76561198287103299#!/compare/1541376000/1541462400

https://backpack.tf/profiles/76561198407541175#!/compare/1541721600/1541808000

Untrace

Sale 4:

https://backpack.tf/profiles/76561198407541175#!/compare/1542240000/1542326400

https://backpack.tf/profiles/76561198070705963#!/compare/1542240000/1542326400

Bulk

Sale 5:

https://backpack.tf/profiles/76561198070705963#!/compare/1542585600/1542672000

https://backpack.tf/profiles/76561198447542798#!/compare/1542672000/1542758400

Untrace

Sale 6:

https://backpack.tf/profiles/76561198302759439#!/compare/1546214400/1546300800

https://backpack.tf/profiles/76561197977828464#!/compare/1546300800/1546387200

Sold for 19 keys (edited from 17 keys)

Conga's Part:

actually i bought and sold two that i got off of scrap.tf for 18 and resold them for 19

buys: https://gyazo.com/d8a815f83fea2fa13741fcb4ed418443 , https://gyazo.com/e7ee1442ed0aa91e54f1abfcd64b19bd

sales: https://gyazo.com/830956e4a71b9c06311fd82b5355a1b6 , https://gyazo.com/e76a6381cc99a6dfa74a0080f0b26e1a

compare links just for reference the one doesnt match entirely dude to a shit ton of trades i was doing but you can see it was 19 by my screenies

s1 https://backpack.tf/profiles/76561198302759439#!/compare/1546214400/1546300800

s2 https://backpack.tf/profiles/76561198302759439#!/compare/1546128000/1546214400

Taking 18 - 19 keys