Sale 1:

https://backpack.tf/profiles/76561198053787974#!/compare/1548806400/1587254400

https://backpack.tf/profiles/76561198360076847#!/compare/1587168000/1587254400

Sold for CPS Airdog

use there

sale 2:

https://backpack.tf/profiles/76561198360076847#!/compare/1587168000/1587254400

https://backpack.tf/profiles/76561198872891264#!/compare/1587168000/1587254400

Sold for Miami Pirate

Pirate Mini:

https://backpack.tf/suggestion/5ea4b9d7c6fc875f8a2949ef

suggestion for 8.75 keys

https://bot.tf/stats/listings/MQ0555X2

B/O of ~8.5 keys, capping

sale 3:

https://backpack.tf/profiles/76561198872891264#!/compare/1587168000/1587254400

https://backpack.tf/profiles/76561198330231701#!/compare/1587168000/1587254400

Untrace

Sale 4:

https://backpack.tf/profiles/76561198330231701#!/compare/1587254400/1587772800

https://backpack.tf/profiles/76561198337734785#!/compare/1587254400/1587168000

QS

sale 5:

https://backpack.tf/profiles/76561198414201697#!/compare/1580601600/1580688000

https://backpack.tf/profiles/76561198848692041#!/compare/1580601600/1580688000

Sold with ~0.5 keys in sweets for 8 keys

Total is 7.5 keys

Sale 6:

https://backpack.tf/profiles/76561198848692041#!/compare/1580774400/1582502400

https://backpack.tf/profiles/76561199003505433#!/compare/1580688000/1580774400

Untrace

sale 7:

https://backpack.tf/profiles/76561198974941662#!/compare/1586995200/1587081600

https://backpack.tf/profiles/76561198080179568#!/compare/1586995200/1586908800

QS

sale 8:

https://backpack.tf/profiles/76561198305494036#!/compare/1587168000/1587254400

https://backpack.tf/profiles/76561198983490591#!/compare/1587168000/1587254400

Sold for 8 keys

sale 9, 10:

https://marketplace.tf/items/tf2/158;5;u30

$8.26 / $1.71 = 4.83 keys

$17.99 / $1.69 = 10.64 keys <--- https://backpack.tf/item/1140052392

Total sales @:

4.85, 7.5, 8, 8.5, 10.5 keys

buyers up to ~7 keys,

seller at 8.55 keys, 9 keys,

calling 10.5 high,

taking 7.5 - 8.5 keys