1 year outdated.

SALE 1, 2, 3 & 4

15.02 on june 1 (15.02 / 1.82 = 8.252 rounding to 8.5 keys)

17.69 on june 15 (17.69 / 1.84 = 9.61 rounding to 9.5 keys)

15 on july 12 (15 / 1.83 = 8.19 rounding to 8 keys)

16.78 on august 6 (16.78 / 1.84 = 9.11 rounding to 9 keys)

https://marketplace.tf/items/tf2/253;5;u7

Histories for june 15 sale and july 12 sale:

https://backpack.tf/item/276509514

(DUPED) History for june 1 sale:

https://backpack.tf/item/927761292

SALE 5

Not sure

https://backpack.tf/profiles/76561198806818368#!/compare/1565049600/1565136000

https://backpack.tf/profiles/76561198162250639#!/compare/1565049600/1565136000

SALE 6

Don't know

https://backpack.tf/profiles/76561198220604948#!/compare/1563840000/1565136000

https://backpack.tf/profiles/76561198121830870#!/compare/1565049600/1565136000

SALE 7

Don't know

https://backpack.tf/profiles/76561198802056171#!/compare/1560384000/1560902400

https://backpack.tf/profiles/76561198844472460#!/compare/1560556800/1560902400

SALE 8

Sold to known quickbuyer for unknown

https://backpack.tf/profiles/76561198844472460#!/compare/1561075200/1561161600

https://backpack.tf/profiles/76561198337734785#!/compare/1561075200/1561161600

DUPED SALE (although its >30 keys, just putting that out there)

Bulk for strange professional ks australium flame thrower with spells and parts.

https://backpack.tf/profiles/76561198342476957#!/compare/1560038400/1560124800

https://backpack.tf/profiles/76561198118060961#!/compare/1560038400/1560124800

CLASSIFIEDS

https://gyazo.com/38809938d12f3fed36b170faeb3c159c

Marketplace sales at 8, 8.5, 9 and 9.5. Taking 8-9.5 keys.