Sale 1:

https://backpack.tf/profiles/76561198069291594#!/compare/1563840000/1564099200

https://backpack.tf/profiles/76561198095862827#!/compare/1563926400/1564012800

Sold for keys?

Sale 2:

https://backpack.tf/profiles/76561198095862827#!/compare/1564012800/1564099200

https://backpack.tf/profiles/76561198306870587#!/compare/1564012800/1564099200

Untrace

Sale 3:

https://backpack.tf/profiles/76561198942138988#!/compare/1564876800/1565136000

https://backpack.tf/profiles/76561198166496890#!/compare/1564790400/1564876800

Untrace

Sale 4:

https://backpack.tf/profiles/76561198166496890#!/compare/1564963200/1565222400

https://backpack.tf/profiles/76561198305668226#!/compare/1564876800/1564963200

Untrace

Sale 5:

https://backpack.tf/profiles/76561198066742724#!/compare/1564444800/1564963200

https://backpack.tf/profiles/76561198012537041#!/compare/1564876800/1564963200

https://backpack.tf/profiles/76561198212570469#!/compare/1564358400/1565049600

untrace

Sale 6:

https://backpack.tf/profiles/76561198212570469#!/compare/1565049600/1565654400

https://backpack.tf/profiles/76561198275783474#!/compare/1564963200/1565049600

Untrace

Sale 7:

https://backpack.tf/profiles/76561198275783474#!/compare/1565136000/1565222400

https://backpack.tf/profiles/76561198090750997#!/compare/1565136000/1565222400

Sold for ~13 keys

Sale 8:

https://backpack.tf/profiles/76561198090750997#!/compare/1565222400/1565308800

https://backpack.tf/profiles/76561198084240925#!/compare/1564012800/1565308800

Sold for DBD Sterling(14) + ~1 keys in sweets

Total is 15 keys

Sale 9:

https://backpack.tf/profiles/76561198084240925#!/compare/1565481600/1565568000

https://backpack.tf/profiles/76561198170358238#!/compare/1565568000/1565654400

Sold for DBD Sky High

use there

B/O of 15 keys

https://bot.tf/stats/listings/46N7606R

Sale 10 - 12:

https://marketplace.tf/items/tf2/30008;5;u35

$16.13 / $1.81 = 8.91 keys

$26.57 / $1.82 = 14.60 keys

$26.57 / $1.83 = 14.52 keys

Total sales @:

8, 13, 14.52, 14.60, 15 keys

Buyers up to 9 keys,

taking 13 - 15 keys.