Refreshing

Creds to those in the previous suggestion for finding these sales

Jesus so many bulk sales

Sale 1 - $179.99

https://marketplace.tf/items/15003;5;u702;w2;pk12

$179.99 / $1.98 = ~91 keys

Sale 2 - Bulk

https://backpack.tf/profiles/76561197993708178#!/compare/1530662400/1530835200

Sale 3 - Bulk

https://backpack.tf/profiles/76561198071896910#!/compare/1527638400/1527724800

Sale 4 - Bulk

https://backpack.tf/profiles/76561198160856661#!/compare/1529107200/1529193600

Sale 5 - Quicksold to R+ubi’s buy order @ 42 pure (excluding)

https://backpack.tf/profiles/76561198160856661#!/compare/1529884800/1529971200

Sale 6 - Vivid Plasma Bot Dogger (32) + Aussie Sticky (12) + 11 keys

https://backpack.tf/profiles/76561198002757046#!/compare/1533340800/1533427200

https://backpack.tf/profiles/76561198317608743#!/compare/1533340800/1533427200

Taking 55

Sale 7 - Sold w/ ~6 keys in sweets for an Phantasm Outta Sight (95)

https://backpack.tf/profiles/76561198317608743#!/compare/1534291200/1534377600

https://backpack.tf/profiles/76561198049419860#!/compare/1534291200/1534464000

Taking 89

Sale 8 - bulk

https://backpack.tf/profiles/76561198079821428#!/compare/1536451200/1536537600

https://backpack.tf/profiles/76561198049419860#!/compare/1536451200/1536537600

Sale 9 - bulk

https://backpack.tf/profiles/76561198057452720#!/compare/1536624000/1536710400

https://backpack.tf/profiles/76561198079821428#!/compare/1536624000/1536710400

Sale 10 - bulk

https://backpack.tf/profiles/76561197993708178#!/compare/1537833600/1538265600

https://backpack.tf/profiles/76561198119149660#!/compare/1538179200/1538265600

Sales we have are 55, 89, 91

Rounding 89 and 91 to 90 just for the sake of a better number

Excluding 55 as a low outlier comparing it to other sales

Sales now are 90 (x2)

Taking 90 flat :)