Sale 1:

Sold for 5 keys + cheap items

Seller: https://backpack.tf/profiles/76561198048851745#!/compare/1521417600/1521590400

Buyer: https://backpack.tf/profiles/76561198374540031#!/compare/1521504000/1521590400

X = 5

Sale 2:

Sold for 5 keys

Seller: https://backpack.tf/profiles/76561198311820950#!/compare/1521676800/1521763200

Buyer: https://backpack.tf/profiles/76561198262752382#!/compare/1520899200/1521763200

Bot.tf confirms: https://i.imgur.com/BMHgtpL.png

X = 5

Sale 3:

Sold for 5 keys + 5 ref

Seller: https://backpack.tf/profiles/76561198262752382#!/compare/1521763200/1521849600

Buyer: https://backpack.tf/profiles/76561197960719107#!/compare/1521763200/1521849600

X = 5

Sale 4:

Sold to a quickbuyer for 5 keys

Seller: https://backpack.tf/profiles/76561198166649901#!/compare/1522800000/1523145600

Buyer: https://backpack.tf/profiles/76561197994697258#!/compare/1523059200/1523145600

X = 5

Sale 5:

Bulk for Spelled Bill’s

Seller: https://backpack.tf/profiles/76561197960719107#!/compare/1522972800/1523059200

Buyer: https://backpack.tf/profiles/76561198149694064#!/compare/1522800000/1523059200

Can be used as a mini on the Bill’s if ever needed.

Sale 6:

Bulk for pure

Seller: https://backpack.tf/profiles/76561198259342040#!/compare/1521676800/1521763200

Buyer: https://backpack.tf/profiles/76561198808482503#!/compare/1521590400/1521763200

Sale 7:

Bulk for pure

Seller: https://backpack.tf/profiles/76561197997283715#!/compare/1523059200/1523145600

Buyer: https://backpack.tf/profiles/76561198129499386#!/compare/1523059200/1523145600

Sale 8:

Sold for Dead Presidents Buckaroo’s Hat

Seller: https://backpack.tf/profiles/76561198129499386#!/compare/1523059200/1523145600

Buyer: https://backpack.tf/profiles/76561198251050250#!/compare/1523145600/1523232000

Outlier, excluding.

Sellers:

~4.9 keys:

https://i.imgur.com/mdMT3zA.png

https://backpack.tf/item/2786616900

5 keys:

https://i.imgur.com/2lV9k0i.png

https://backpack.tf/item/3417931573

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

https://backpack.tf/item/6519408337

6 keys:

https://i.imgur.com/oM9PX9h.png

https://backpack.tf/item/4001620506

https://backpack.tf/item/2688107994

8 keys:

https://i.imgur.com/LsXSXG2.png

https://backpack.tf/item/6465340487

10.6 keys:

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

https://backpack.tf/item/3035886365

14 keys:

https://i.imgur.com/5cWxdMP.png

https://backpack.tf/item/2843895218

25 keys:

https://i.imgur.com/asE2uTP.png

https://backpack.tf/item/4446306662

Sales at:

5 (4x)

Going with 5 flat.