Item 1: https://backpack.tf/item/9951621520

Sale 1:

https://backpack.tf/profiles/76561198298296261#!/compare/1776470400/1776556800

https://backpack.tf/profiles/76561199059160806#!/compare/1776470400/1776556800

Bot dump, untrace

Sale 2:

https://backpack.tf/profiles/76561199059160806#!/compare/1778457600/1778544000

https://backpack.tf/profiles/76561198173925222#!/compare/1778457600/1778544000

4 keys

Item 2: https://backpack.tf/item/13672831535

Sale 3:

https://backpack.tf/profiles/76561199111073161#!/compare/1775692800/1775779200

https://backpack.tf/profiles/76561198298296261#!/compare/1775692800/1775779200

5 keys

Sales:

5

Sellers:

BPTF - https://imgur.com/bnFFqUi none

MPTF - https://marketplace.tf/items/tf2/31160;5;u3128 $49.99 (~27 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Potion+Explosion+Taunt%3A+Texas+Truckin%27 none

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Texas%20Truckin%27?appid=440&q=Potion+Explosion https://imgur.com/4C80jAE

Going with 4-5 keys