Item 1: https://backpack.tf/item/13641934009

Sale 1:

https://backpack.tf/profiles/76561198296104441#!/compare/1755820800/1755907200

https://backpack.tf/profiles/76561199099521803#!/compare/1755561600/1755907200

Untrace

Sale 2: Mannco.Store

Marketplace.tf: https://marketplace.tf/items/tf2/1106;5;u3130

Item 2: https://backpack.tf/item/11545453220

Sale 3:

Sold for $17 on August 13 2025

Keys were $1.82 https://marketplace.tf/items/tf2/5021;6

17/1.82=9.34 ~9 keys

Sale 4:

Sold for $19.99 on October 27 2025

Keys were $1.83

19.99/1.83=10.92 ~11 keys

Sales:

9, 11

Sellers:

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

MPTF - https://marketplace.tf/items/tf2/1106;5;u3130 none

STN - https://stntrading.eu/item/tf2/Unusual+Cremation+Taunt%3A+Square+Dance none

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Square%20Dance?filter=Cremation https://imgur.com/B0RcKek none

(9.34 + 10.92)/2=10.13 so rounding both ends to the nearest key and going with 9-11 keys