Mini.

Sale 1: https://backpack.tf/profiles/76561198335791307#!/compare/1592697600/1592784000

https://backpack.tf/profiles/76561199024935992#!/compare/1592611200/1592870400

?

Sale 2: https://backpack.tf/profiles/76561199024935992#!/compare/1593043200/1593820800

https://backpack.tf/profiles/76561198153414442#!/compare/1593043200/1593216000

?

Sale 3: https://backpack.tf/profiles/76561198153414442#!/compare/1593561600/1593648000

https://backpack.tf/profiles/76561198040220388#!/compare/1593561600/1593648000

Use there.

Sale 4: https://backpack.tf/profiles/76561198040220388#!/compare/1593648000/1593734400

https://backpack.tf/profiles/76561198290723276#!/compare/1593388800/1593734400

Use there.

Sale 5: https://backpack.tf/profiles/76561198079756509#!/compare/1587513600/1587600000

https://backpack.tf/profiles/76561198085685517#!/compare/1587513600/1587600000

Qs for 8 pure.

Sale 6: https://backpack.tf/profiles/76561198085685517#!/compare/1587600000/1587686400

https://backpack.tf/profiles/76561198321709121#!/compare/1587600000/1587686400

?

Sale 7: https://marketplace.tf/items/tf2/31034;5;u29 - 25.99/1.98 = ~13

https://backpack.tf/item/7662313069

-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Additional by Scourge:

Sale 1 is likely 12 keys, bot.tf shows Bender sold it for 12, and there is a group of 12 keys...

https://backpack.tf/item/8018244699

https://backpack.tf/profiles/76561198802465612#!/compare/1593907200/1593993600

https://backpack.tf/profiles/76561199013102934

https://bot.tf/stats/listings/4KV96OEE

Sold for 10 keys here, some keys match, and nothing else leaving the bot could have sold for such a high price realistically.

This should be ranged, 10 - 13.

-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Classies: https://i.imgur.com/JPZHEwU.png. 10-13 it is