Sale 1:

https://backpack.tf/profiles/76561198057760670#!/compare/1566000000/1567209600

https://backpack.tf/profiles/76561198048851745#!/compare/1566950400/1567036800

QS

sale 2:

https://backpack.tf/profiles/76561198048851745#!/compare/1567036800/1567209600

https://backpack.tf/profiles/76561198043662502#!/compare/1566950400/1567036800

Sold for 10 keys

Sale 3:

https://backpack.tf/profiles/76561198970073105#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198043662502#!/compare/1566950400/1567036800

Can trace 2 keys....

Sale 4:

https://backpack.tf/profiles/76561198148904511#!/compare/1568160000/1568678400

https://backpack.tf/profiles/76561198047929722#!/compare/1568419200/1568505600

Sold for 9 keys

sale 5:

https://backpack.tf/profiles/76561198072502313#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198116105833#!/compare/1566518400/1566604800

Sold for C9 Topi + 1 key

use there

Sale 6:

https://backpack.tf/profiles/76561198116105833#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198066584736#!/compare/1566518400/1566604800

Sold for Ancient Codex HFOHA + ~5 keys in sweets

HFOHA Mini:

https://backpack.tf/suggestion/5d80876ed381722a5d00c743

Suggestion for 7.5 keys

Total is 12.5 keys

Sale 7:

https://backpack.tf/profiles/76561198066584736#!/compare/1567036800/1567123200

https://backpack.tf/profiles/76561198043662502#!/compare/1566950400/1567036800

Untrace

Sale 8 - 10:

https://marketplace.tf/items/tf2/30418;5;u61

$20 / $1.85 = 10.81 keys

$19.9 / $1.82 = 10.93 keys

$22 / $1.84 = 11.96 keys

Total sales @:

9, 10, 10.81, 10.93, 11.96, 12.5 keys

Buyers up to 8 keys,

sellers at 14 keys,

excluding 9 due to closeness to buyers,

taking 10 - 13 keys