Sale 1:

Sold for $56.46 on marketplace.tf

https://marketplace.tf/items/158;5;u9

https://manic.tf/keyprice/?at=2018-07-29 - $56.46 / $1.97 = 28.66 keys

https://backpack.tf/item/941964896

X = 29

Sale 2:

Sold for Spec. KS Aus Sniper Rifle (~23)

Seller: https://backpack.tf/profiles/76561198125791160#!/compare/1531958400/1532044800

Buyer: https://backpack.tf/profiles/76561198804953242#!/compare/1532044800/1532217600

https://backpack.tf/item/280527366

X = 23

Sale 3:

Sold for 22 keys

Seller: https://backpack.tf/profiles/76561197999873164#!/compare/1536364800/1536451200

Buyer: https://backpack.tf/profiles/76561198196259989#!/compare/1536364800/1536451200

https://backpack.tf/item/280527366

X = 22

Sale 4:

Sold for 20 keys + ~1 key in metal/skins

Seller: https://backpack.tf/profiles/76561198114996116#!/compare/1538956800/1539129600

Buyer: https://backpack.tf/profiles/76561198247600746#!/compare/1539043200/1539129600

https://backpack.tf/item/280527366

X = 21

Sale 5:

Sold for 20 keys

Seller: https://backpack.tf/profiles/76561198196259989#!/compare/1536883200/1536969600

Buyer: https://backpack.tf/profiles/76561198310877660#!/compare/1536883200/1536969600

https://backpack.tf/item/280527366

X = 20

Sale 6:

Sold for 20 keys

Seller: https://backpack.tf/profiles/76561198292156436#!/compare/1532563200/1532649600

Buyer: https://backpack.tf/profiles/76561198079821428#!/compare/1532563200/1532649600

https://backpack.tf/item/280527366

X = 20

Sale 7:

Sold for 19 keys + 6 ref?

Seller: https://backpack.tf/profiles/76561198063050690#!/compare/1533772800/1533859200

Buyer: https://backpack.tf/profiles/76561198317606171#!/compare/1533686400/1533772800

https://backpack.tf/item/950531041

https://i.imgur.com/uw4M7hN.png

5 keys are missing, but I don’t doubt it sold for 19 keys and 6 ref here.

X = 19

Sale 8:

Sold to a quickbuyer for 19 keys + some amount of ref

Seller: https://backpack.tf/profiles/76561198182308658#!/compare/1533254400/1533340800

Buyer: https://backpack.tf/profiles/76561197999873164#!/compare/1533254400/1533340800

https://backpack.tf/item/280527366

X = 19

Sale 9:

Sold for 19 keys + 7 ref

Seller: https://backpack.tf/profiles/76561198112281935#!/compare/1538265600/1538352000

Buyer: https://backpack.tf/profiles/76561198317606171#!/compare/1538265600/1538352000

https://backpack.tf/item/403825553

X = 19

Sale 10:

Sold for Planets Merryweather + Planets Guadalajara + 1 key + cheap items

Seller: https://backpack.tf/profiles/76561198050930436#!/compare/1538352000/1538438400

Buyer: https://backpack.tf/profiles/76561198114996116#!/compare/1538006400/1538438400

https://backpack.tf/item/280527366

Should not affect the range. We have plenty of pure sales to work with, so I’m not going to make minis for something that doesn’t matter.

Other Sales:

https://backpack.tf/item/950531041 (#1)

https://backpack.tf/item/403825553 (#2)

https://backpack.tf/item/280527366 (#3-7)

#1

Untraceable

https://backpack.tf/profiles/76561198317606171#!/compare/1534032000/1534118400

https://backpack.tf/profiles/76561198117335851#!/compare/1534032000/1534118400

#2

Untraceable

https://backpack.tf/profiles/76561198317606171#!/compare/1539129600/1539216000

https://backpack.tf/profiles/76561198116036160#!/compare/1477526400/1539216000

https://i.imgur.com/uw4M7hN.png - labelled as 25 keys

#3

Sold with a key for an unusual sniper rifle

https://backpack.tf/profiles/76561198292156436#!/compare/1532131200/1532217600

https://backpack.tf/profiles/76561198804953242#!/compare/1532044800/1532217600

Using on the Rifle.

#4

Sold for Mallard Killer’s Kabuto

https://backpack.tf/profiles/76561198079821428#!/compare/1533081600/1533168000

https://backpack.tf/profiles/76561198182308658#!/compare/1533081600/1533168000

okay, moving on

#5

Untraceable

https://backpack.tf/profiles/76561198310877660#!/compare/1537660800/1537747200

https://backpack.tf/profiles/76561198119634686#!/compare/1537660800/1537747200

#6

Untraceable

https://backpack.tf/profiles/76561198119634686#!/compare/1537920000/1538006400

https://backpack.tf/profiles/76561198050930436#!/compare/1537920000/1538006400

#7

Untraceable

https://backpack.tf/profiles/76561198247600746#!/compare/1539129600/1539216000

https://backpack.tf/profiles/76561198313040548#!/compare/1538179200/1539216000

Only 14 keys match. Guaranteed that more were involved.

Sellers:

https://i.imgur.com/ao3asxT.png

https://backpack.tf/item/258994360 - 26 keys

https://backpack.tf/item/280527366 - 26 keys

Sales at:

19 (3x)

20 (2x)

21

22

23

29

29 is an outlier, excluding 29.

19 is a common trading point. Should not be excluded despite current buyers.

Going with 19-23.

sold to a bot for 19 keys and 7 ref

https://backpack.tf/profiles/76561198313040548#!/compare/1539648000/1539734400

https://backpack.tf/profiles/76561198313040548#!/compare/1539648000/1539734400

https://i.imgur.com/Bk0CBLv.png

untraceable, labelled as 19 keys and less than half a key in ref

https://backpack.tf/profiles/76561198116036160#!/compare/1539216000/1539820800

https://backpack.tf/profiles/76561198335791307#!/compare/1539554400/1539640800

https://i.imgur.com/Bk0CBLv.png