Item 1: https://backpack.tf/item/11143992616

Sale 1:

https://backpack.tf/profiles/76561198083580981#!/compare/1759276800/1759881600

https://backpack.tf/profiles/76561199059800460#!/compare/1759190400/1759276800

Untrace/QSStore dump

Sale 2:

https://backpack.tf/profiles/76561199059800460#!/compare/1759881600/1759968000

https://backpack.tf/profiles/76561198042165719#!/compare/1759881600/1759968000

24 keys

Item 2: https://backpack.tf/item/8368890615

Sale 3:

https://backpack.tf/profiles/76561198053944300#!/compare/1757462400/1757980800

https://backpack.tf/profiles/76561198359901481#!/compare/1757548800/1757635200

25 keys

Sale 4:

https://backpack.tf/profiles/76561198359901481#!/compare/1759708800/1760054400

https://backpack.tf/profiles/76561198311498888#!/compare/1759795200/1759881600

QSStore dump, 1 key and 1 ref match

Sale 5:

https://backpack.tf/profiles/76561198311498888#!/compare/1759968000/1760054400

https://backpack.tf/profiles/76561199485225128#!/compare/1759968000/1760054400

23 keys, buyer listed it on MPTF

Sales:

23, 24, 25

Sellers:

BPTF - https://imgur.com/xddgHA3 35 keys (1 month) and MPTF seller with a buyout of 31 keys

MPTF - https://marketplace.tf/items/tf2/1157;5;u3087 $63 capped at 31 keys

STN - https://stntrading.eu/item/tf2/Unusual+Sublime+Snowstorm+Taunt%3A+Kazotsky+Kick none

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Kazotsky%20Kick?filter=Sublime+Snowstorm https://imgur.com/iH246BZ none

Person who paid 25 dumped for less so excluding that sale and going with 23-24 keys