Sale 1:

https://backpack.tf/profiles/76561198055135676#!/compare/1564099200/1564444800

https://backpack.tf/profiles/76561197968968337#!/compare/1564012800/1564358400

Sold for spells

Sale 2:

https://backpack.tf/profiles/76561197968968337#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198156255538#!/compare/1565654400/1565740800

Bulk

Sale 3:

https://backpack.tf/profiles/76561198156255538#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198376331369#!/compare/1567123200/1567209600

Sold with ~6.5 keys in sweets for Frostbite Buzz

use there, capped by B/O here and better used there

https://bot.tf/stats/listings/MNLZQZ8R

B/O of 30 keys

Sale 4:

https://backpack.tf/profiles/76561198376331369#!/compare/1567209600/1567296000

https://backpack.tf/profiles/76561198079296657#!/compare/1567209600/1567296000

Sold with 1 key for Aussie Sniper(33)

total is 32 keys

https://bot.tf/stats/listings/4ZKOE72J

B/O of 37 keys

sale 5:

https://backpack.tf/profiles/76561198079296657#!/compare/1567209600/1567296000

https://backpack.tf/profiles/76561198838788284#!/compare/1567209600/1567296000

Sold for Cool Damascus WW Rescue Ranger + 3 keys

use there

Sale 6:

https://backpack.tf/profiles/76561198838788284#!/compare/1567296000/1567382400

https://backpack.tf/profiles/76561198325595749#!/compare/1567296000/1567382400

Sold with 2 keys for D@D Fez

Fez Mini:

https://backpack.tf/suggestion/5dab9bfd678072299a6d616e

suggestion for 45 keys

total is 43 keys

https://bot.tf/stats/listings/4W69L6KN

B/O of 35 keys, capping

Taking 32 - 35 keys.