Sale 1:

https://backpack.tf/profiles/76561198047531524#!/compare/1534291200/1534377600

https://backpack.tf/profiles/76561198106493112#!/compare/1534291200/1534377600

Sold for 8 keys + 16 ref

Sale 2:

https://backpack.tf/profiles/76561198312583107#!/compare/1536451200/1536537600

https://backpack.tf/profiles/76561198365265698#!/compare/1535846400/1536537600

Sold for Steaming OMA

OMA Mini:

https://backpack.tf/suggestion/5bbc2e0f44325a21417d814d

Suggestion for 10 keys

Sale 3:

https://backpack.tf/profiles/76561198365265698#!/compare/1538352000/1538524800

Bulk

Sale 4:

https://backpack.tf/profiles/76561198099077097#!/compare/1536969600/1537056000

https://backpack.tf/profiles/76561198121830870#!/compare/1536883200/1536969600

Sold with 18 ref for 8 keys (some were used to unbox, can be traced by ID)

Sale 5:

https://backpack.tf/profiles/76561198121830870#!/compare/1537660800/1537747200

https://backpack.tf/profiles/76561198021055079#!/compare/1537660800/1537747200

QS

Sale 6:

https://backpack.tf/profiles/76561198021055079#!/compare/1538524800/1538611200

https://backpack.tf/profiles/76561198858179772#!/compare/1538352000/1538611200

Sold for Taunt Unusulifier(8.78)

https://backpack.tf/item/1904669808

Looks like bought and QS, not gonna use.

Total sales @:

~7.5, ~8.5, 8.78, 10

Calling 10 the outlier,

https://i.imgur.com/ytM29oF.jpg

Seller at 8.33,

Calling 8.78 & 10 supportive,

Taking 7.5 - 8.5 keys