Resuggest!

Sale 1)

https://backpack.tf/profiles/76561198124069244#!/compare/1512086400/1512259200 - Cash/CSGO

(Other side traded too quickly)

Sale 2)

https://backpack.tf/profiles/76561198324800925#!/compare/1511568000/1514332800

https://backpack.tf/profiles/76561198268931774#!/compare/1509321600/1512086400 - SCM

Sale 3)

https://backpack.tf/profiles/76561198324800925#!/compare/1509926400/1510790400 - SCM

Sale 4)

https://backpack.tf/profiles/76561198152232835#!/compare/1513555200/1514246400 - Bulky

Sale 5)

https://backpack.tf/profiles/76561198152232835#!/compare/1511395200/1511481600 - Sold for a Haunted Ghosts Respectless Rubber Glove (21)

No Buyout

Sale 6)

https://backpack.tf/profiles/76561198093438754#!/compare/1511308800/1511395200 - Sold for a Blizzardy Storm Lucky Shot (19)

Sale 7)

https://backpack.tf/profiles/76561198295109460#!/compare/1511308800/1514332800 - Same as sale 6? Seems odd but histories match, perhaps brokered?

Sale 8)

https://backpack.tf/profiles/76561198056385897#!/compare/1514160000/1514246400

https://backpack.tf/profiles/76561198056385897#!/compare/1514160000/1514246400 - Sold for 13 Keys (Non-quicksell, checked every history)

Sale 9)

https://backpack.tf/profiles/76561198008113369#!/compare/1513728000/1513814400 - Sold for ~14 Keys in Sweets

Sale 10)

https://backpack.tf/profiles/76561197996904846#!/compare/1513641600/1513728000 - Don't Match

(Other side traded too quickly)

Sale 11)

https://backpack.tf/profiles/76561198069658143#!/compare/1511481600/1511654400 - Sold for 10 Keys, likely through Buy Order

Sale 12)

https://backpack.tf/profiles/76561198044766585#!/compare/1508976000/1509321600 - SCM, Alt Transfer? Name is the same (near enough)

Sale 13)

https://backpack.tf/profiles/76561198236788328#!/compare/1512172800/1512259200 - Quicksold for 15 Keys

Sale 14)

https://backpack.tf/profiles/76561198236788328#!/compare/1512086400/1512172800 - Don't Match

(Other side traded too quickly)

Sale 15)

https://backpack.tf/profiles/76561198067211253#!/compare/1512086400/1512172800 - Sold for a Blizzardy Storm Ye Olde Baker Boy (17) + ~2 Keys in Sweets = 19 Keys

No Buyout

Sales at 13 and 14 are low as it can quicksell for more

Additional by Joxu and Minda:

Two mod comments alert!

New sales:

https://backpack.tf/profiles/76561198095533997#!/compare/1515196800/1515456000

https://backpack.tf/profiles/76561198257270574#!/compare/1515369600/1515456000

Sold for a Planets Chieftain + 2 keys?

https://gyazo.com/65ccb7ac6d55a0d07a0661794dc3b460 chieftain classies atm

http://www.tf2outpost.com/trade/29492054 20 b/o

https://backpack.tf/profiles/76561198056385897#!/compare/1514505600/1514592000

https://backpack.tf/profiles/76561198093892890#!/compare/1514505600/1514592000

Idk

https://gyazo.com/1128cc2d7071a618aeba82edec0758d8 seller at 17

https://backpack.tf/item/5131681835 ^

https://gyazo.com/0fb187baa3a2200ee24ef3d0333ebaba lowest scm sellers ~23

Might need to be resuggested lower.

Indeed, Joxu!

https://i.imgur.com/RErDlfN.png 15 Key seller, 15's not going to be an outlier here.

https://backpack.tf/item/2718437643

Another sale:

Sold for a Stormy Storm Sergeant's Drill Hat

https://backpack.tf/profiles/76561198091838628#!/compare/1515888000/1516060800

Needs a mini, supports the high end however.

Resuggest at 15-21.