Sale #1

https://backpack.tf/item/14678649154

Untraceable

https://backpack.tf/profiles/76561199059800460#!/compare/1743033600/1743033600/nearest

Sale #2

https://backpack.tf/item/14494302198

28 keys

Seller: https://backpack.tf/profiles/76561198062747535#!/compare/1746835200/1746921600 (ID: 15724387810)

Buyer: https://backpack.tf/profiles/76561198350620251#!/compare/1746748800/1746835200

Sale #3

https://backpack.tf/item/13012194341

27 keys

Seller: https://backpack.tf/profiles/76561198244962432#!/compare/1739664000/1739750400 (ID: 15463890702)

Buyer: https://backpack.tf/profiles/76561198158140220#!/compare/1715990400/1739750400

Sale #4

https://backpack.tf/item/10969034207

Untraceable

https://backpack.tf/profiles/76561199130360510#!/compare/1744156800/1744675200

Sale #5

https://backpack.tf/item/10969034207

Untraceable

https://backpack.tf/profiles/76561198349848918#!/compare/1745366400/1745452800

Sale #6

https://backpack.tf/item/10969034207

Sunbeams Airdog + 16 keys for a Global Clusters Airdog

https://backpack.tf/profiles/76561199071330373#!/compare/1745971200/1746057600

Global Clusters Airdog mini

https://marketplace.tf/items/tf2/30767;5;u285

https://backpack.tf/item/13439343767

Marketplace.tf sale on 1/20/25

$89.99 / $1.80 (assumed value) = ~50.0

Rounding to 50

Back to Sale #6

50 - 16 = 34

34

Sale #7

https://backpack.tf/item/10969034207

25 keys 29 ref

Seller: https://backpack.tf/profiles/76561199071330373#!/compare/1746057600/1746144000 (ID: 15694751470)

Buyer: https://backpack.tf/profiles/76561199100906514#!/compare/1745884800/1746144000

Rounding to 25

Sale #8

https://backpack.tf/item/9096018004

23 keys 49.22 ref

Seller: https://backpack.tf/profiles/76561198989179031#!/compare/1739232000/1739664000 (ID: 15459796841)

Buyer: https://backpack.tf/profiles/76561198311498888#!/compare/1739577600/1739664000

Rounding to 24

Sale #9

https://backpack.tf/item/9096018004

26 keys 1.33 ref

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1740960000/1741046400

Buyer: https://backpack.tf/profiles/76561198119634686#!/compare/1740960000/1741046400

Rounding to 26

Current sellers:

$59.99 on mp.tf

$89.99 on mannco.store

30 keys on bp.tf (2x)

37 keys on bp.tf

Sales: 28, 27, 34, 25, 24, 26

Two sellers under 34 + it required a mini from a 4 month old sale makes it seem like an obvious outlier.

Final price: 24 - 28