Item 1: https://backpack.tf/item/9338920339

Sale 1:

https://backpack.tf/profiles/76561199874507273#!/compare/1760918400/1761868800

https://backpack.tf/profiles/76561198089904277#!/compare/1756857600/1762128000

Untrace/bulk

Sale 2:

https://backpack.tf/profiles/76561198089904277#!/compare/1756857600/1762128000

https://backpack.tf/profiles/76561198808471688#!/compare/1762819200/1763769600

Untrace

Item 2: https://backpack.tf/item/6157414596

Mannco deposit

MPTF:https://marketplace.tf/items/tf2/1116;5;u3044

Items 3 & 4: https://backpack.tf/item/4438527559 https://backpack.tf/item/3782137675

Sale 3:

Sold for $4.99 on September 13 2025

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

4.99/1.82=2,74 ~2.75 keys

Sale 4:

Sold for $4.99 on September 16

Keys were $1.84

4.99/1.84=2,71 ~2.7 keys

Sale 5:

Sold for $5.99 on October 8

Keys were $1.9

5.99/1.9=3,15 keys

Sales:

2.7, 2.75, 3.15

Sellers:

BPTF - https://imgur.com/GwZmnSN 5 keys

MPTF - https://marketplace.tf/items/tf2/1116;5;u3044 none

STN - https://stntrading.eu/item/tf2/Unusual+Static+Shock+Taunt%3A+I+See+You none

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20I%20See%20You?filter=Static+Shock https://imgur.com/BdGQGUZ 9.57€ (~5 keys)

Going with 2.7-3.15 keys