Sale 1:

https://backpack.tf/profiles/76561198088675617#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561198099686112#!/compare/1586217600/1586390400

Sold for ~9 keys

Sale 2:

https://backpack.tf/profiles/76561198099686112#!/compare/1586217600/1586390400

https://backpack.tf/profiles/76561198037711232#!/compare/1586217600/1586390400

Can trace 4 keys

Sale 3:

https://backpack.tf/profiles/76561198037711232#!/compare/1586217600/1586390400

https://backpack.tf/profiles/76561198170002027#!/compare/1586304000/1586390400

Sold for 9 keys

Sale 4:

https://backpack.tf/profiles/76561198170002027#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198283091524#!/compare/1586476800/1586563200

Sold for Steaming Sky High + 4 keys

Sky High Mini:

https://backpack.tf/suggestion/5e9f8d7fdb15a36cf86496db

Suggestion for 7 keys

Total is 11 keys

sale 5:

https://backpack.tf/profiles/76561198283091524#!/compare/1586563200/1586649600

https://backpack.tf/profiles/76561198104056646#!/compare/1586563200/1586649600

Untrace

Sale 6:

https://backpack.tf/profiles/76561198104056646#!/compare/1586563200/1586649600

https://backpack.tf/profiles/76561198181870309#!/compare/1586044800/1586649600

Sold for Steaming Shako(9.5) + ~3 keys in sweets

Total is 12.5 keys

Sale 7:

https://backpack.tf/profiles/76561198181870309#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561197961966778#!/compare/1585785600/1586736000

Bulk

Sale 8:

https://backpack.tf/profiles/76561197961966778#!/compare/1585785600/1586736000

https://backpack.tf/profiles/76561198080179568#!/compare/1586736000/1586822400

SCM

sale 9:

https://marketplace.tf/items/tf2/216;5;u29

$24.25 / $1.79 = 13.55 keys

$24.25 / $1.68 = 14.43 keys <--- https://backpack.tf/item/788731028

Sale 11:

https://backpack.tf/profiles/76561198080179568#!/compare/1587686400/1587772800

https://backpack.tf/profiles/76561198065927956#!/compare/1587686400/1587859200

Sold for 11 keys

Total sales @:

9, 9, 11, 11, 12.5, 14, 14 keys

buyers up to ~8.8 keys,

new seller for 10 keys, another for 13 keys,

calling 14 high,

taking 9 - 13 keys.