Erik has given me a hell of a lot of sales and welp, I'm bored so I guess this gets an adjust.

Stormy Storm Big Elfin' Deal

https://backpack.tf/item/1697617695 @ 9

https://backpack.tf/item/715361295 @ 30$ / 1.90$ = 15.8 keys = 16 keys

Sale 1

https://marketplace.tf/items/652;5;u29

https://gyazo.com/520cefef7d17b2f61557a65b8d7ea759

$19.99 / $1.96 = 10.20 keys = rounds to 10 keys

Sale 2

Sold for 9 keys

https://backpack.tf/profiles/76561198155066949#!/compare/1529452800/1529539200

Sale 3

Sold with 3.5 keys in adds for a Green Confetti Fruit Shoot (13 keys) = 13-3.5 keys = 9.5 keys

https://backpack.tf/profiles/76561198118150950#!/compare/1529539200/1529625600

https://backpack.tf/profiles/76561198152382865#!/compare/1529539200/1529625600

Fruit Shoot Mini:

Sold for 13 keys pure

https://backpack.tf/profiles/76561198046895439#!/compare/1529971200/1530057600

Sale 4

Quicksold for pure

https://backpack.tf/profiles/76561198073985350#!/compare/1530576000/1530748800

https://backpack.tf/profiles/76561198195734346#!/compare/1530489600/1530576000

Sale 5

Bulk

https://backpack.tf/profiles/76561198195734346#!/compare/1530748800/1530835200

https://backpack.tf/profiles/76561198396499936#!/compare/1530662400/1530748800

Sale 6

Sold for 9 keys

https://backpack.tf/profiles/76561198832639251#!/compare/1534204800/1534291200

https://backpack.tf/profiles/76561198327837250#!/compare/1534204800/1534291200

Sales: 9 / 9 / 9.5 / 10

Taking 9-10.