Item 1: https://backpack.tf/item/12443407361

Sale 1:

https://backpack.tf/profiles/76561199654115668#!/compare/1759968000/1760140800

https://backpack.tf/profiles/76561198120172574#!/compare/1759968000/1760400000

Untrace

Item 2: https://backpack.tf/item/5373808215

Sale 2:

https://backpack.tf/profiles/76561198060189392#!/compare/1760486400/1760572800

https://backpack.tf/profiles/76561199550140308#!/compare/1758326400/1760572800

Bulk

Sale 3:

https://backpack.tf/profiles/76561199550140308#!/compare/1758326400/1760572800

https://backpack.tf/profiles/76561198051587140#!/compare/1759536000/1760572800

Bulk

Sale 4:

https://backpack.tf/profiles/76561198051587140#!/compare/1759536000/1760572800

https://backpack.tf/profiles/76561198060189392#!/compare/1760572800/1760659200

Bulk

Marketplace.tf: https://marketplace.tf/items/tf2/1157;5;u3108

Items 3 and 4: https://backpack.tf/item/12370036477 https://backpack.tf/item/12543157262

Sale 5:

Sold for $39.99 on August 30 2025

Keys were $1.81 https://marketplace.tf/items/tf2/5021;6

39.99/1.81=22.09 ~22 keys

Sale 6:

Sold for $36 on October 31 2025

Keys were $1.87

36/1.87=19.25 ~19 keys

Sales:

19, 22

Sellers:

BPTF - https://imgur.com/R5oBuPk 25, 40 (2 years)

MPTF - https://marketplace.tf/items/tf2/1157;5;u3108 $59.99 (~33 keys)

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

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Kazotsky%20Kick?filter=Festivized+Formation https://imgur.com/o9PCij0 none

Going with 19-22 keys