Resuggestion, thanks to Mindacos for the info!

Sale 1:

https://backpack.tf/profiles/76561198065477122#!/compare/1536278400/1536537600

https://backpack.tf/profiles/76561198047941585#!/compare/1536451200/1536537600

Sold for Kiev(13.5)

Sale 2:

https://backpack.tf/profiles/76561198047941585#!/compare/1536624000/1536710400

https://backpack.tf/profiles/76561198079784600#!/compare/1536624000/1536710400

Sold for Smoking Neckwear + 2 keys

Neckwear Mini:

https://backpack.tf/suggestion/5c07529e44325a25185ae4f2

Suggestion for 20 keys

Total is 22 keys

Sale 3:

https://backpack.tf/profiles/76561198079784600#!/compare/1537574400/1537747200

https://backpack.tf/profiles/76561198125791160#!/compare/1537660800/1537747200

Bulk

Sale 4:

https://marketplace.tf/items/30547;5;u109

Sold for 55.56 USD

Keys at 1.76 USD

Total is 31.57 keys

Considering ~14 resold in 2 days for 22,

excluding 13.5,

Mindacos' Part:

This will need to be resuggested at 24-32, since the neckwear needs a resuggestion: https://backpack.tf/suggestion/5c07529e44325a25185ae4f2