Sale #1

https://marketplace.tf/items/tf2/617;5;u31

Marketplace.tf sale on 3/23/25

$34.95 / $1.91 = 18.3

Rounding to 18

Sale #2

https://marketplace.tf/items/tf2/617;5;u31

Marketplace.tf sale on 4/19/25

$34.95 / $1.9 = 18.4

Rounding to 18

Sale #3

https://backpack.tf/item/10218077050

Untraceable

https://backpack.tf/profiles/76561199043177646#!/compare/1739577600/1739664000

Sale #4

https://backpack.tf/item/10218077050

14 Keys and 59.44 ref, rounds up to 15:

https://backpack.tf/profiles/76561198854496201#!/compare/1741478400/1741564800

Sale #5

https://backpack.tf/item/10218077050

Untraceable

https://backpack.tf/profiles/76561198062017881#!/compare/1742428800/1743552000

Sale #6

https://backpack.tf/item/10218077050

15 Keys

https://backpack.tf/profiles/76561198062017881#!/compare/1744848000/1744934400

4 Keys were used to buy the Mann of the Seven Sees, and 2 Keys were used to buy the Strange Bird-Man of Aberdeen.

Sale #7

https://backpack.tf/item/2587035978

sold with an Australium Spec KS Minigun(~21 Keys) for an Australium Spec KS Grenade Launcher(~21 Keys) and 5 Keys

https://backpack.tf/profiles/76561199236396310#!/compare/1742860800/1742947200

Either an outlier or incomplete - extremely low

Sale #8

https://backpack.tf/item/2587035978

Dumped to bots

https://backpack.tf/profiles/76561198850274253#!/compare/1742860800/1742947200

Sale #9

https://backpack.tf/item/964224017

Untraceable

https://backpack.tf/profiles/76561198091001759#!/compare/1734393600/1740700800

Current sellers:

$34.95 on marketplace.tf

18 on bp.tf (2x)

19 on bp.tf

Sales: 15, 15, 18, 18

Taking 15 - 18