item1:

https://backpack.tf/item/6204362966

sale1:

https://backpack.tf/profiles/76561199089700631#!/compare/1693612800/1693699200

https://imgur.com/EAbrfte

https://imgur.com/cq5MrTw

10 keys

item2:

https://backpack.tf/item/9688349031

sale1:

https://backpack.tf/profiles/76561199136063332#!/compare/1692748800/1692835200

to bot

?

item3:

https://backpack.tf/item/9680004197

sale1:

https://backpack.tf/profiles/76561198171082595#!/compare/1689897600/1693612800

Scorching Flames Head Hedge + Aurora Australis Taunt: Scotsmann's Stagger = ?

https://marketplace.tf/items/tf2/30840;5;u3071

sale1:

2023-07-30

35.99/1.95=18.45641025

18 keys

sale2:

2023-08-11

35.99/2.011=17.89656

18 keys

sale3:

2023-08-16

35.99/2.05=17.5560975

18 keys

sale4:

2023-08-23

35.99/2=17.99

18 keys

10, 18, 18, 18, 18

https://imgur.com/vKAbrmq

seller 1 @ 15 keys, 1 @ 17 keys

18 keys high

New sale:

https://backpack.tf/profiles/76561199315621199#!/compare/1696636800/1696723200

https://backpack.tf/profiles/76561198113190503#!/compare/1696636800/1696723200 - Buyer sold Spellbound Stagger Taunt for Keys. 15 keys bought the Aurora.

Given the sheer number of data points here and the fact there's only 1 seller now (at 16 keys), I would actually call 10 low and go 15-18 here