Item 1: https://backpack.tf/item/2745247004

Sale 1:

https://backpack.tf/profiles/76561199192607141#!/compare/1787011200/1787097600

https://backpack.tf/profiles/76561197982127154#!/compare/1787011200/1787097600

https://gladiator.tf/sales?item=Prismatic%20Haze%20Taunt%3A%20Spent%20Well%20Spirits

Sold for 3 keys then listed on MPTF

Item 2: https://backpack.tf/item/11369487680

Mannco.Store, not usable

Item 3: https://backpack.tf/item/12244966519

Same

Item 4: https://backpack.tf/item/12197071481

Sale 2:

https://marketplace.tf/items/tf2/1114;5;u3097

Sold for $6.99 on August 7 2026

Keys were $1.88

6.99/1.88=3.71 ~3.7 keys

Sales:

3, 3.7

Sellers and buyers:

BPTF - https://imgur.com/mb2ArWy Buyers up to 2.24 keys

MPTF - https://marketplace.tf/items/tf2/1114;5;u3097 Seller at $6.99 (~3.65 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Prismatic+Haze+Taunt%3A+Spent+Well+Spirits Buy order at ~2.35 keys

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Spent%20Well%20Spirits?appid=440&q=Prismatic+Haze https://imgur.com/Y0v0MGV No sellers

The MPTF seller only falls under the 3.7 key sale because keys have slightly risen. Going with 3-3.7 keys

(correction: permanent link for the Gladiator.tf stats) https://gladiator.tf/sales?item=Prismatic%20Haze%20Taunt%3A%20Spent%20Well%20Spirits&at=2026-09-18T12:09:23.449Z