Resuggestion, thanks to K1ng for the info!

Sale 1:

https://backpack.tf/profiles/76561198311498888#!/compare/1536883200/1536969600

https://backpack.tf/profiles/76561198838788284#!/compare/1536883200/1536969600

Sold for 10 keys + ~1 key in sweets

Total is 11 keys

Sale 2:

https://backpack.tf/profiles/76561197998071622#!/compare/1533772800/1533859200

https://backpack.tf/profiles/76561198349207524#!/compare/1533772800/1533859200

Sold for Stormy Ze Goggles + negligible sweets

Use there.

Sale 3:

https://backpack.tf/profiles/76561198349207524#!/compare/1533859200/1533945600

https://backpack.tf/profiles/76561198314124641#!/compare/1533772800/1533945600

Sold for Planets Dogger

Dogger Mini:

https://backpack.tf/suggestion/5bae6972cf6c754d147b7add

Suggestion for 13.5 keys

Sale 4:

https://backpack.tf/profiles/76561198314124641#!/compare/1533772800/1533945600

https://backpack.tf/profiles/76561198129130593#!/compare/1533859200/1533945600

Untrace.

Sale 5:

https://backpack.tf/profiles/76561198129130593#!/compare/1534464000/1534550400

https://backpack.tf/profiles/76561198193351301#!/compare/1534291200/1534809600

Sold for Vivid Puglist + ~3 keys in sweets (ID Match)

Use there.

K1ng's Part:

Both Stormy Ze Goggles and Vivid Pugilist sales support 14 more than 11. I would probably go with 14 flat here and on the Stormy Goggles, as 11 is likely an outlier.