Using last month

Sale 1:

Sold for $13.89 on Marketplace.tf

https://marketplace.tf/items/30761;5;u3008

Couldn’t find the item’s history

13.89/1.98 = ~7.02

X = 7

Sale 2:

Sold for 6 keys + 14 ref

Seller: https://backpack.tf/profiles/76561197994697258#!/compare/1523577600/1523664000

Buyer: https://backpack.tf/profiles/76561198280868306#!/compare/1523577600/1523836800

X = 6.5

Sale 3:

Bot.tf sale at 6 keys + 20 ref

https://i.imgur.com/BeN0g4K.png

Can’t identify the sale. Might be this one:

https://backpack.tf/profiles/76561198386441509#!/compare/1522972800/1523059200

https://backpack.tf/profiles/76561198287594985#!/compare/1522540800/1523059200

X = 6.5

Sale 4:

Sold for 6 keys

Seller: https://backpack.tf/profiles/76561198114851494#!/compare/1521676800/1521763200

Buyer: https://backpack.tf/profiles/76561198042033716#!/compare/1521676800/1521763200

X = 6

Sale 5:

Sold for a bunch of items

Seller: https://backpack.tf/profiles/76561198795627049#!/compare/1523404800/1523491200

Buyer: https://backpack.tf/profiles/76561198244985906#!/compare/1523404800/1523491200

Not gonna pull an exact value out of this sale.

Sale 6:

Bulk with some item for some Halloween fire Botkiller flamethrower

Seller: https://backpack.tf/profiles/76561198208858863#!/compare/1521676800/1521763200

Buyer: https://backpack.tf/profiles/76561198168625615#!/compare/1521590400/1521763200

Sale 7:

Bulk for Insomnia Tough Stuff Muffs

Seller: https://backpack.tf/profiles/76561198287594985#!/compare/1523145600/1523232000

Buyer: https://backpack.tf/profiles/76561198114402400#!/compare/1523059200/1523145600

Sale 8:

Bulk for Orbiting Fire Private Eye

Seller: https://backpack.tf/profiles/76561198244985906#!/compare/1523577600/1523664000

Buyer: https://backpack.tf/profiles/76561197994697258#!/compare/1523577600/1523664000

Sellers:

~6.73 keys:

https://i.imgur.com/R7RbMMU.png

https://backpack.tf/item/4995352517

8 keys:

https://i.imgur.com/qqs0Fip.png

https://backpack.tf/item/5614144304

13 keys:

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

https://backpack.tf/item/5048853670

https://i.imgur.com/zBGCg5c.png

https://backpack.tf/item/5346896168

15 keys:

https://i.imgur.com/SN0l92p.png

https://backpack.tf/item/4970720260

21 keys:

https://i.imgur.com/CniC9oq.png

https://backpack.tf/item/5636030282

Sales at:

6

6.5 (2x)

7