Resuggesting.

SALE 1: Unknown

https://backpack.tf/profiles/76561198050034938#!/compare/1566086400/1566172800

https://backpack.tf/profiles/76561198172471610#!/compare/1566000000/1566172800

SALE 2: Unknown[/b

[b]SALE 3: Unknown

https://backpack.tf/profiles/76561198253378387#!/compare/1565395200/1566345600

https://backpack.tf/profiles/76561198353251333#!/compare/1565222400/1566259200

SALE 4: Some bulk sale involving a blizzardy mercs mohawk

https://backpack.tf/profiles/76561198101300189#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198353251333#!/compare/1565740800/1566259200

SALE 5: Sold for 24 keys + 1 refined

https://backpack.tf/profiles/76561198048851745#!/compare/1558742400/1558828800

https://backpack.tf/profiles/76561198267189538#!/compare/1558742400/1558828800

Rounds down to 24 keys.

Sale was dumped right after to a bot.

SALE 8: Sold with 11 keys for?

https://backpack.tf/profiles/76561198063512035#!/compare/1564704000/1564790400

https://backpack.tf/profiles/76561198331398297#!/compare/1564617600/1564704000

SALE 9: Unknown

https://backpack.tf/profiles/76561198133882561#!/compare/1564531200/1564617600

https://backpack.tf/profiles/76561198873233971#!/compare/1564531200/1564617600

SALE 10: Bulk for cloud9 law

https://backpack.tf/profiles/76561198369477018#!/compare/1567814400/1568505600

https://backpack.tf/profiles/76561198156255538#!/compare/1567728000/1567814400

SALE 11: Unknown

https://backpack.tf/profiles/76561198306505238#!/compare/1566432000/1566691200

https://backpack.tf/profiles/76561198071650465#!/compare/1549497600/1566864000

SALE 12: Sold for atleast 2 keys

https://backpack.tf/profiles/76561198071650465#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198342161127#!/compare/1566777600/1566864000

SALE 13, 14, 15, 16 & 17

Sold for 40 on July 15

Sold for 37.8 on August 8

Sold for 31.99 on August 26

Sold for 31.99 on August 27

Sold for 30 on September 16

https://marketplace.tf/items/tf2/30375;5;u57

40/1.83 = 21.85 rounding to 22 keys

37.8/1.81 = 20.88 rounding to 21 keys

31.99/1.83 = 17.48 rounding to 17 keys

31.99/1.82 = 17.57 rounding to 18 keys

30/1.81 = 16.57 rounding to 17 keys

History of SALE 13: https://backpack.tf/item/6300461084

History of SALE 14: https://backpack.tf/item/4866997854

History of either SALE 15 or 16: https://backpack.tf/item/7728458062

CLASSIFIEDS

https://gyazo.com/2d2d652612d1789f454825ebc27cd8bf

Sale at 24. Marketplace sales at 17, 17, 18, 21, and 22.

Taking 17-22 keys.