Sale 1:

Sold for Australium Grenade Launcher (14)

Seller: https://backpack.tf/profiles/76561198254375254#!/compare/1522368000/1522713600

Buyer: https://backpack.tf/profiles/76561198392570003#!/compare/1522454400/1522627200

X = 14

Sale 2:

Sold for 10 keys (Buyer’s Compare link)

Seller: https://backpack.tf/profiles/76561198160856661#!/compare/1523836800/1523923200

Buyer: https://backpack.tf/profiles/76561198322876605#!/compare/1523836800/1523923200

X = 10

Sales 3 & 4:

2 bot.tf sales at 10 keys

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

https://backpack.tf/profiles/76561198386441509#!/compare/1524355200/1524441600

https://backpack.tf/item/1437575376

here’s one of them, untraceable, buyer’s backpack not scanned yet

Can’t find the other sale.

X = 10 (2x)

Sale 5:

Sold for Orbiting Fire El Jefe + ~1 key in metal

Seller: https://backpack.tf/profiles/76561198054544075#!/compare/1522195200/1522281600

Buyer: https://backpack.tf/profiles/76561198254375254#!/compare/1522195200/1522281600

Massive outlier, excluding.

Sale 6:

Bulk for ’72 Square Dance

Seller: https://backpack.tf/profiles/76561198123530436#!/compare/1524182400/1524268800

Buyer: https://backpack.tf/profiles/76561198063640894#!/compare/1524182400/1524268800

Sale 7:

Bulk for Duped Stormy Pyromancer’s Mask

Seller: https://backpack.tf/profiles/76561198330067308#!/compare/1524441600/1524528000

Buyer: https://backpack.tf/profiles/76561198021055079#!/compare/1524441600/1524528000

Sellers:

~9.99 keys:

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

https://backpack.tf/item/1294008858

10 keys:

https://i.imgur.com/21xotwW.png

https://backpack.tf/item/1926492940

https://i.imgur.com/8pLCISs.png

https://backpack.tf/item/5096368358

Offers?:

http://www.tf2outpost.com/trade/29625843

Sales at:

10 (3x)

14

14 is an outlier, given the cheaper sales and sellers. Excluding 14.

Going with 10 flat.