Item 1: https://backpack.tf/item/13671725657

Sale 1:

https://backpack.tf/profiles/76561198028307864#!/compare/1781827200/1781913600

https://backpack.tf/profiles/76561198109161900#!/compare/1781827200/1781913600

Bulk for the https://backpack.tf/profiles/76561198109161900#!/compare/1781827200/1781913600

MPTF: https://marketplace.tf/items/tf2/30672;5;u3124

Items 2 and 3: https://backpack.tf/item/4350938666 https://backpack.tf/item/4593861045

Sale 2:

Sold for $13.33 on July 9 2026

Keys were $1.88

13.33/1.88=7.09 ~7 keys

Sale 3:

Sold for $13.33 on August 5 2026

Keys were $1.85

13.33/1.85=7.2 ~7 keys

One of them had a listing on BPTF but it didn't mention a pure buyout

Sales:

7 (x2)

Sellers and buyers:

BPTF - https://imgur.com/qK3TY59 Buyers up to 5.15 keys

MPTF - https://marketplace.tf/items/tf2/30672;5;u3124 Nothing

STN - https://stntrading.eu/item/tf2/Unusual+Deep-Sea+Devourer+Taunt%3A+Zoomin%27+Broom Buy order at ~5 keys

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Zoomin%27%20Broom?appid=440&q=Deep-Sea+Devourer https://imgur.com/2eW71i5 No sellers

Going with 7 keys