Sale 1:

Sold for 13 keys

https://backpack.tf/profiles/76561198244962432#!/compare/1718409600/1718496000 - Near ID: 14590631623

https://backpack.tf/profiles/76561198081041276#!/compare/1718064000/1718582400

https://backpack.tf/item/12271723817

= 13 keys

Sale 2:

Sold for 13 keys

https://backpack.tf/profiles/76561198081041276#!/compare/1719273600/1721520000 - Near ID: 14690940647

https://backpack.tf/profiles/76561198337480794#!/compare/1721347200/1721433600

https://backpack.tf/item/12271723817

= 13 keys

Sale 3:

Sold for 12 keys + (arguably) less than half a key in metal

https://backpack.tf/profiles/76561199564942025#!/compare/1721779200/1721865600

https://backpack.tf/profiles/76561198055847835#!/compare/1720569600/1721865600

https://backpack.tf/item/14662121550

Keys were selling for ~50 ref at the time. Given the fact that we're using a marketplace sale as the high-end, we may as well stretch the low-end to compensate, regardless of which way we should be rounding here.

= 12 keys

Sale 4:

Sold to STN for 9 keys + negligible metal

https://backpack.tf/profiles/76561198353502204#!/compare/1721174400/1721347200

https://backpack.tf/profiles/76561199564942025#!/compare/1721260800/1721347200

https://backpack.tf/item/14662121550

= 9 keys

Other Sales:

#1

https://backpack.tf/profiles/76561198045749377#!/compare/1717718400/1717804800

https://backpack.tf/profiles/76561199652290612#!/compare/1717718400/1717804800

https://backpack.tf/item/12597711774

Untraceable, gambled afterwards.

#2

https://backpack.tf/profiles/76561198063328792#!/compare/1720483200/1723852800

https://backpack.tf/profiles/76561198188093413#!/compare/1722124800/1722211200

https://backpack.tf/item/12228373426

Bulk

#3

https://backpack.tf/profiles/76561199103991885#!/compare/1719100800/1719187200

https://backpack.tf/profiles/76561198069239963#!/compare/1718582400/1719187200

https://backpack.tf/item/12202250778

Went to main account

#4

https://backpack.tf/profiles/76561198069239963#!/compare/1721174400/1721606400

https://backpack.tf/profiles/76561199192095795#!/compare/1720742400/1723420800

https://backpack.tf/item/12202250778

Untraceable, most likely sold on marketplace

https://backpack.tf/item/12199042725 - STN to mannco, untraceable

Marketplace Sales:

https://marketplace.tf/items/tf2/31310;5;u267

$25.99, July 21st

https://marketplace.tf/items/tf2/5021;6 - keys were $1.72

25.99/1.72 = 15.11, rounds to 15.

Sellers:

https://imgur.com/a/bvEHgHN

https://backpack.tf/item/12228373426 - 21 keys

https://backpack.tf/item/14662121550 - marketplace

https://backpack.tf/item/12870295013 - marketplace

https://backpack.tf/item/12723229061 - marketplace

Sales at:

9

12

13 (2x)

15 (marketplace)

Buyers at ~9 keys, excluding 9.

Taking 12-15.