Thank you Larks

https://backpack.tf/item/15560177319

https://marketplace.tf/items/tf2/31094;5;u135;strange

May 31, 2026 $399.99 / $1.93 ~ 207 Keys

https://backpack.tf/suggestion/69d3c00f704c9db5d409b1b3

The 217 buyer sold it for $278.78 (150 Keys), so we can exclude both.

https://skinport.com/de/tf2/item/strange-unusual-winter-wrap-up+frozen-icefall

There's a seller at 190, so a range of 190 - 207 could work.