Item 1: https://backpack.tf/item/9637817813

Sale 1:

https://marketplace.tf/items/tf2/1182;5;u3056

Sold for $7.99 on September 13 2026

Keys were $1.89

7.99/1.89=4.22 ~4.2 keys

Sales:

4.2

Sellers and buyers:

BPTF - https://archivist.tf/history?item=Shimmering+Lights+Taunt%3A+Yeti+Punch&at=2026-09-22 Seller at 9.18 keys, buyer at 2.03 keys

MPTF - https://marketplace.tf/items/tf2/1182;5;u3056 Seller at $7.99 (~4.2 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Shimmering+Lights+Taunt%3A+Yeti+Punch Buy order at ~2.3 keys

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Yeti%20Punch?appid=440&q=Shimmering+Lights https://imgur.com/ZMK1qcX No sellers, buyers at 3.92€ (~1.98 keys)

Going with 4.2 keys