Sale 1:

https://backpack.tf/profiles/76561198002757046#!/compare/1529366400/1529452800

QS

Sale 2:

https://backpack.tf/profiles/76561198002757046#!/compare/1530662400/1530748800

https://backpack.tf/profiles/76561198254285639#!/compare/1530662400/1530748800

Sold for ~13 keys

Sale 3:

https://backpack.tf/profiles/76561198254285639#!/compare/1533254400/1533513600

https://backpack.tf/profiles/76561198024867201#!/compare/1533340800/1533427200

QS?

Sale 4:

https://backpack.tf/profiles/76561198385940902#!/compare/1533081600/1533168000

https://backpack.tf/profiles/76561198300959801#!/compare/1533081600/1533772800

Untrace.

Sale 5:

https://backpack.tf/profiles/76561197991111981#!/compare/1530316800/1530403200

https://backpack.tf/profiles/76561198070705963#!/compare/1530316800/1530403200

Sold for 12 keys

Sale 6:

https://backpack.tf/profiles/76561198070705963#!/compare/1530403200/1530489600

https://backpack.tf/profiles/76561198275783474#!/compare/1530489600/1530576000

untrace?

Sale 7:

https://backpack.tf/profiles/76561198275783474#!/compare/1531180800/1531267200

https://backpack.tf/profiles/76561198088391137#!/compare/1531180800/1531267200

Sold for 13 keys

Sale 8:

https://backpack.tf/profiles/76561198152089335#!/compare/1531267200/1531353600

Bulk?

Sale 9:

https://backpack.tf/profiles/76561198152089335#!/compare/1531353600/1531612800

https://backpack.tf/profiles/76561198277477976#!/compare/1531526400/1531612800

Sold for 13 keys

Sale 10:

https://backpack.tf/profiles/76561198277477976#!/compare/1531785600/1531872000

https://backpack.tf/profiles/76561198296642837#!/compare/1531526400/1531872000

Sold for Stormy Brigade Helm

Sale 11:

https://backpack.tf/profiles/76561198296642837#!/compare/1531872000/1531958400

https://backpack.tf/profiles/76561198127308255#!/compare/1531699200/1531958400

Sold for 8 keys + ~2 keys in sweets

Total is 10 keys, low.

Sale 12:

https://backpack.tf/profiles/76561198127308255#!/compare/1531699200/1531958400

https://backpack.tf/profiles/76561198079170528#!/compare/1531872000/1531958400

Sold for 12 keys + 11 ref

Sale 13:

https://backpack.tf/profiles/76561198079170528#!/compare/1532390400/1532476800

https://backpack.tf/profiles/76561198059354111#!/compare/1532390400/1532476800

Sold for 14 keys

https://i.imgur.com/Hi4cEiY.png

Sellers for 14 & 16, Buyers up to 12 keys

https://backpack.tf/item/1598939743

https://backpack.tf/item/807572642

https://backpack.tf/item/3801432664

Total sales @:

10, 12, 12, 13, 13, 13, 14 keys

Calling 12 low, taking 13 - 14 keys.