Sale 1+2:

https://marketplace.tf/items/tf2/30977;5;u17

$120 / $1.79 = 67.04 keys // https://backpack.tf/item/7691669882 // b/o 53: https://imgur.com/a/J0afMX6

$69.99 / $1.70 = 41.17 keys

Sale 3:

36.5 keys - under buyers at time of sale: https://imgur.com/a/p6ubfY6

Strange Ghastlierest Gibus(28-33) + 6 keys

https://backpack.tf/profiles/76561198019587395#!/compare/1571702400/1571788800

https://backpack.tf/profiles/76561198121256414#!/compare/1571702400/1571788800

gibus: sales between 28-33

https://marketplace.tf/items/tf2/116;11

https://imgur.com/a/FJ2B9iI

Sale 4:

this sale already used to price bat hat

https://backpack.tf/profiles/76561198121256414#!/compare/1573430400/1574035200

https://backpack.tf/profiles/76561198173506101#!/compare/1573776000/1573862400

Sale 5:

untrace

https://backpack.tf/profiles/76561198200475465#!/compare/1574208000/1574553600

https://backpack.tf/profiles/76561198121628900#!/compare/1562630400/1576713600

Sale 6:

49 keys

TF Logo Flamenco(36.5) + pro KS shotgun kit(11-13)

https://backpack.tf/profiles/76561198062926833#!/compare/1576627200/1576713600

https://backpack.tf/profiles/76561198121628900#!/compare/1562630400/1576713600

flamenco: https://backpack.tf/suggestion/5e188aad2469e71824536376

Sale 7:

untrace

https://backpack.tf/profiles/76561198340829257#!/compare/1576886400/1576972800

https://backpack.tf/profiles/76561198001166004#!/compare/1574812800/1575331200

Sale 8:

44 keys

pro KS aussie flamethrower(32) + 12 keys

https://backpack.tf/profiles/76561198126887938#!/compare/1578009600/1578268800

https://backpack.tf/profiles/76561197980749062#!/compare/1578268800/1578441600

flamethrower: https://imgur.com/a/88HwMxU

Sale 9:

using there

scorching eyewear

https://backpack.tf/profiles/76561198049609745#!/compare/1573344000/1575158400

https://backpack.tf/profiles/76561198006544512#!/compare/1575072000/1575158400

Sale 10:

53 keys

https://backpack.tf/profiles/76561198006544512#!/compare/1575244800/1575331200

https://backpack.tf/profiles/76561198068190834#!/compare/1575331200/1575417600

==============================================================================

Sales:

41,44,49,53,53