Item 1: https://backpack.tf/item/14901955473

Sale 1:

https://backpack.tf/profiles/76561198871444509#!/compare/1746662400/1746921600

https://backpack.tf/profiles/76561198050651176#!/compare/1746835200/1746921600

8 keys and 45 ref, would have rounded to 8.5 keys at the time of the sale

Sale 2:

https://backpack.tf/profiles/76561198050651176#!/compare/1748822400/1748908800

https://backpack.tf/profiles/76561198063438999#!/compare/1748995200/1750636800

Untrace

Marketplace.tf: https://marketplace.tf/items/tf2/31413;5;u3004

Item 2: https://backpack.tf/item/15285255533

Sale 3:

Sold for $22 on June 3 2025

Keys were $1.97 https://marketplace.tf/items/tf2/5021;6

22/1.97=11.17 ~11 keys

Sale 4:

Sold for $22 on June 6 2025

Keys were $1.93

22/1.93=11.4 ~11 keys

Sale 5:

Sold for $49.99 on June 7 2025

Keys were $1.93

49.99/1.93=25.90 ~26 keys

Sales:

8.5, 11, 11, 26

Sellers:

BPTF - https://imgur.com/sfz7fFT none

MPTF - https://marketplace.tf/items/tf2/31413;5;u3004 $39.99 (~21 keys)

STN - https://stntrading.eu/item/tf2/Unusual%20'72%20Taunt:%20Mourning%20Mercs none

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Mourning%20Mercs?filter=%2772 https://imgur.com/7wUMBte from 24.15€ (~11.5 keys)

26 looks like an outlier here given all the lower sellers and the fact it's far apart from the other sales. 8.5 is below current generic buyers and was to a quickbuyer so excluding that too. Going with 11 keys flat