Item 1: https://backpack.tf/item/6952376290

Sale 1:

https://backpack.tf/profiles/76561199564942025#!/compare/1785542400/1785628800

https://backpack.tf/profiles/76561198037937903#!/compare/1785542400/1785628800

Sold alongside 28.66 ref for 9 keys (~8.5 keys)

Item 2: https://backpack.tf/item/12532874450

Quicksell.Store bot transfer

Sales:

8.5

Sellers and buyers:

BPTF - https://imgur.com/HUx5IA9 Sellers from 12 keys, buyers up to 7.48 keys

MPTF - https://marketplace.tf/items/tf2/1172;5;u3124 Sellers at $23.99 (~13 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Deep-Sea+Devourer+Taunt%3A+The+Victory+Lap Buy order at ~7.5 keys

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20The%20Victory%20Lap?appid=440&q=Deep-Sea+Devourer https://imgur.com/nYrt5LD No sellers, buyers up to 15.69€ (~7.75 keys)

Going with 8.5 keys