Sale 1:

https://backpack.tf/profiles/76561198108115148#!/compare/1563753600/1565308800

https://backpack.tf/profiles/76561198101895261#!/compare/1559088000/1565308800

untrace

sale 2:

https://backpack.tf/profiles/76561198254056316#!/compare/1560988800/1561248000

https://backpack.tf/profiles/76561198841279602#!/compare/1560902400/1560988800

QS

Sale 3:

https://backpack.tf/profiles/76561198841279602#!/compare/1561852800/1561939200

https://backpack.tf/profiles/76561198254056316#!/compare/1561248000/1561939200

Sold for 11 keys

Sale 4:

https://backpack.tf/profiles/76561198867717895#!/compare/1561766400/1561939200

https://backpack.tf/profiles/76561198857650831#!/compare/1561939200/1563753600

SCM

Sale 5:

https://backpack.tf/profiles/76561198857650831#!/compare/1566864000/1567468800

https://backpack.tf/profiles/76561198171332721#!/compare/1567209600/1567296000

Untrace

sale 6:

https://backpack.tf/profiles/76561198337734785#!/compare/1562630400/1562716800

https://backpack.tf/profiles/76561198136685032#!/compare/1562544000/1562716800

https://backpack.tf/profiles/76561198337734785#!/compare/1562630400/1562716800

tradeback

sale 7:

https://backpack.tf/profiles/76561198337734785#!/compare/1563148800/1563235200

https://backpack.tf/profiles/76561198052609037#!/compare/1563148800/1563235200

Keys

Sale 8:

https://backpack.tf/profiles/76561198052609037#!/compare/1565481600/1565654400

https://backpack.tf/profiles/76561198061440669#!/compare/1565395200/1565481600

Sold with ~8 keys in sweets for ST Conga

Conga Mini:

https://backpack.tf/suggestion/5d7f561b67807208ae11d4a2

Suggestion for 18.5 keys

Total is 10.5 keys

Sale 9:

https://backpack.tf/profiles/76561198061440669#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198071522650#!/compare/1565913600/1566000000

Sold for 11 keys

Sale 10:

https://backpack.tf/profiles/76561198275783474#!/compare/1563062400/1563148800

https://backpack.tf/profiles/76561198389088550#!/compare/1563062400/1563148800

Sold for Aces Mullet (10.5)

Sale 11:

https://backpack.tf/profiles/76561198081247373#!/compare/1565740800/1565913600

https://backpack.tf/profiles/76561198119605994#!/compare/1565827200/1565913600

Untrace

Sale 12:

https://backpack.tf/profiles/76561198119605994#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561198069493147#!/compare/1565827200/1565913600

Bulky

Sale 13:

https://marketplace.tf/items/tf2/251;5;u35

$18.21 / $1.83 = 9.95 keys

$21.11 / $1.81 = 11.66 keys

Total sales @:

9.95, 10.5, 10.5, 11, 11, 11.66 keys

2 sellers for 10 keys...

taking 10 - 11 keys, gonna call 12 keys high...