Sale 1:

Sold with some ref for 12 keys

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1581638400/1581724800

Buyer: https://backpack.tf/profiles/76561198883615002#!/compare/1581465600/1581897600

https://backpack.tf/item/2349822547

12 keys

Sale 2:

Sold for 12 keys

Seller: https://backpack.tf/profiles/76561198796395930#!/compare/1584316800/1584403200

Buyer: https://backpack.tf/profiles/76561199015360978#!/compare/1584316800/1584403200

https://backpack.tf/item/2349822547

12 keys

Marketplace Sales:

https://marketplace.tf/items/tf2/135;5;u57

$18.06, Feb 22nd

$24.99, March 5th

$24.99, April 12th

https://backpack.tf/item/7956873602 - March 5th

http://manic.tf/keyprice?at=2020-03-05&price=24.99 - $24.99 / $1.69 = 14.79 keys

https://bot.tf/stats/listings/4RG917GK - No B/O

Couldn’t find the histories for the other sales.

http://manic.tf/keyprice?at=2020-02-22&price=18.06 - $18.06 / $1.78 = 10.15 keys

Would’ve gone to buy order, no point checking for a B/O.

http://manic.tf/keyprice?at=2020-04-12&price=24.99 - $24.99 / $1.71 = 14.61 keys

https://bot.tf/stats/listings/4WX19D75 - No important B/O

After rounding, we have:

15 keys (2x)

Other Sales:

https://backpack.tf/item/2349822547 (#1-3)

https://backpack.tf/item/5926751016 - marketplace

#1

Untraceable

https://backpack.tf/profiles/76561198883615002#!/compare/1584144000/1584316800

https://backpack.tf/profiles/76561198999837775#!/compare/1584144000/1584316800

#2

Untraceable

https://backpack.tf/profiles/76561198999837775#!/compare/1584316800/1584403200

https://backpack.tf/profiles/76561198173970261#!/compare/1584230400/1584316800

5 keys match

#3

Bulk for Purple Energy Beret

https://backpack.tf/profiles/76561198173970261#!/compare/1584230400/1584316800

https://backpack.tf/profiles/76561198796395930#!/compare/1584230400/1584316800

Sellers:

https://i.imgur.com/Upr3hux.png

https://backpack.tf/item/5926751016 - 17 keys

https://backpack.tf/item/7956638902 - 18 keys

Sales at:

10

12 (2x)

15 (2x0

10 is below buyers, excluding 10.

Taking 12-15.