Using last month.

Sales 1-3:

Sold for $42.48, $42.40, and $41.99

https://marketplace.tf/items/167;5;u3005

https://backpack.tf/item/1621814259

https://backpack.tf/item/1552538079

Couldn’t find last history.

http://manicbot.me/keyprice/?at=2018-07-25 - 42.48/1.94 = ~21.9

http://manicbot.me/keyprice/?at=2018-08-08 - 42.4/1.89 = ~22.43

http://manicbot.me/keyprice/?at=2018-08-20 - 41.99/1.89 = ~22.22

X = 22 (3x)

Sale 4:

Sold for 16 keys

Seller: https://backpack.tf/profiles/76561198031743044#!/compare/1532649600/1532736000

Buyer: https://backpack.tf/profiles/76561198070917778#!/compare/1532649600/1532736000

https://backpack.tf/item/4637129734

X = 16

Sale 5:

Sold for 16 keys

Seller: https://backpack.tf/profiles/76561198312583107#!/compare/1532390400/1532476800

Buyer: https://backpack.tf/profiles/76561198142653871#!/compare/1532304000/1532563200

https://backpack.tf/item/2246360681

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

X = 16

Sale 6:

Sold for 16 keys

Seller: https://backpack.tf/profiles/76561197995880156#!/compare/1532476800/1532563200

Buyer: https://backpack.tf/profiles/76561198075503046#!/compare/1532476800/1532563200

https://backpack.tf/item/5472885593

X = 16

Sale 7:

Sold for 16 keys

Seller: https://backpack.tf/profiles/76561198312583107#!/compare/1533168000/1533254400

Buyer: https://backpack.tf/profiles/76561198055977312#!/compare/1533254400/1534982400

https://backpack.tf/item/5472885593

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

X = 16

Sale 8:

Sold for 15 keys + 10 ref

Seller: https://backpack.tf/profiles/76561198164651434#!/compare/1533513600/1533600000

Buyer: https://backpack.tf/profiles/76561198170859755#!/compare/1533513600/1533600000

https://backpack.tf/item/6478706346

X = 15

Sale 9:

Sold for 15 keys (Buyer’s end)

Seller: https://backpack.tf/profiles/76561198170859755#!/compare/1533945600/1534204800

Buyer: https://backpack.tf/profiles/76561198023154147#!/compare/1533686400/1533945600

https://backpack.tf/item/6478706346

Seller bought a cosmetic item with the keys before their backpack was scanned. The ones that went to the Santos bot were involved in the trade.

X = 15

Sale 10:

Sold for 14 keys

Seller: https://backpack.tf/profiles/76561198305676157#!/compare/1534118400/1534204800

Buyer: https://backpack.tf/profiles/76561198124951456#!/compare/1533427200/1534204800

https://backpack.tf/item/1891269095

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

X = 14

Sale 11:

Sold to a bot for 10 keys + 6 ref?

Seller: https://backpack.tf/profiles/76561198075503046#!/compare/1532908800/1533168000

Buyer: https://backpack.tf/profiles/76561198312583107#!/compare/1532908800/1532995200

https://backpack.tf/item/5472885593

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

Only the 6 ref appears on the seller’s end, though I doubt anything else would’ve been involved. Should be safe to assume the sale is fine to use.

X = 10

Sale 12:

Bulk for Purple Energy Bootleg Base Metal Billycock and stuff

Seller: https://backpack.tf/profiles/76561198345216182#!/compare/1534377600/1534464000

Buyer: https://backpack.tf/profiles/76561198112195910#!/compare/1534291200/1534377600

https://backpack.tf/item/6962343625

Sellers:

https://i.imgur.com/0LgJmeU.png

https://backpack.tf/item/1964871657 - 20 keys

https://backpack.tf/item/4439790688 - 24 keys

https://backpack.tf/item/6888048411 - 24 keys

https://backpack.tf/item/1417215823 - 24 keys

https://backpack.tf/item/2532789785 - 24 keys

Sales at:

10

14

15 (2x)

16 (4x)

22 (3x)

10 is a single sale to a quickbuyer, excluding.

Excluding 22 for several reasons:

- Lack of pure sales at 22

- Seller at 20

- Lack of bot B/O’s at 20+ keys in the last 90 days according to bot.tf https://i.imgur.com/KhFNUXk.png

Going with 14-16.