Sale 1:

https://backpack.tf/profiles/76561198859721638#!/compare/1561593600/1561680000

https://backpack.tf/profiles/76561198257064567#!/compare/1561593600/1561680000

Sold with 8 keys for CV Bombing(42.5)

Total is 34.5 keys

Sale 2:

https://backpack.tf/profiles/76561198257064567#!/compare/1561680000/1561852800

https://backpack.tf/profiles/76561198342161127#!/compare/1561766400/1561852800

Sold for MG Shanter + 4 keys

Shanter Mini:

https://backpack.tf/suggestion/5d8ad93dd3817263447bad5e

Suggestion for 36.5 keys

Total is 40.5 keys

Sale 3:

https://marketplace.tf/items/tf2/30422;5;u33

$81.09 / $1.81 = 44.80 keys

https://backpack.tf/item/3464216611

Sale 4:

https://backpack.tf/profiles/76561198212600779#!/compare/1562803200/1563321600

https://backpack.tf/profiles/76561198072941327#!/compare/1563062400/1563148800

Sold with ~6 keys in sweets for Hg Buddy + 15 keys

use there

Sale 5:

https://backpack.tf/profiles/76561198072941327#!/compare/1563235200/1563321600

https://backpack.tf/profiles/76561198065030763#!/compare/1563235200/1563321600

Sold with 4 keys for Duped PE Tyrannus

Tyrannus Mini:

https://backpack.tf/profiles/76561198158554103#!/compare/1561593600/1562716800

https://backpack.tf/profiles/76561198089253101#!/compare/1562284800/1562371200

Sold for ~34 keys

https://backpack.tf/profiles/76561198032016356#!/compare/1561420800/1561507200

https://backpack.tf/profiles/76561198158554103#!/compare/1561420800/1561507200

Sold for 34 keys

https://backpack.tf/profiles/76561198079504588#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561198151054147#!/compare/1566604800/1566691200

Sold for 29 keys

https://backpack.tf/profiles/76561198151054147#!/compare/1568160000/1568332800

https://backpack.tf/profiles/76561198196259989#!/compare/1568246400/1568332800

Sold for 30 keys

taking 29 - 34 keys, average of 31.5 keys

Total is 27.5 keys

Sale 6:

https://backpack.tf/profiles/76561198065030763#!/compare/1563408000/1563494400

https://backpack.tf/profiles/76561198125247757#!/compare/1563408000/1563494400

Sold for 30 keys

Sale 7:

https://backpack.tf/profiles/76561198125247757#!/compare/1563494400/1563580800

https://backpack.tf/profiles/76561198353703603#!/compare/1563494400/1563580800

histories shows transfers back and forth... not using....

Sale 8:

https://backpack.tf/profiles/76561198353703603#!/compare/1563580800/1563667200

https://backpack.tf/profiles/76561198055622215#!/compare/1563494400/1563580800

Bulk

Total sales @:

27.5, 30, 34.5, 40.5 keys

calling 40.5 keys high,

taking 28 - 35 keys