Item 1: https://backpack.tf/item/13532166542

Sale 1:

https://backpack.tf/profiles/76561199017959799#!/compare/1772323200/1772409600

https://backpack.tf/profiles/76561198983856237#!/compare/1772323200/1772409600

Bulk/gambling

Item 2: https://backpack.tf/item/13241509017

Sale 2:

https://backpack.tf/profiles/76561199017959799#!/compare/1771891200/1771977600

https://backpack.tf/profiles/76561199526364138#!/compare/1770768000/1772150400

Bulk/gambling

Sale 3:

https://backpack.tf/profiles/76561199526364138#!/compare/1772150400/1772409600

https://backpack.tf/profiles/76561199017959799#!/compare/1772236800/1772323200

Bulk/gambling

Sale 4:

https://backpack.tf/profiles/76561199017959799#!/compare/1772496000/1772582400

https://backpack.tf/profiles/76561198087760859#!/compare/1772496000/1772582400

Untrace

Sale 5:

https://backpack.tf/profiles/76561198087760859#!/compare/1772496000/1772582400

https://backpack.tf/profiles/76561199017959799#!/compare/1772496000/1772582400

Untrace

Sale 6:

https://backpack.tf/profiles/76561199017959799#!/compare/1772668800/1772755200

https://backpack.tf/profiles/76561198383964635#!/compare/1772496000/1772928000

Untrace

Sale 7:

https://backpack.tf/profiles/76561198383964635#!/compare/1773100800/1774828800

https://backpack.tf/profiles/76561199017959799#!/compare/1773100800/1773187200

Bulk/gambling

Sale 8:

https://backpack.tf/profiles/76561199017959799#!/compare/1773705600/1773792000

https://backpack.tf/profiles/76561198983856237#!/compare/1773705600/1773792000

Untrace/gambling

Item 3: https://backpack.tf/item/13365209855

Sale 9:

https://backpack.tf/profiles/76561198294586976#!/compare/1772323200/1773014400

https://backpack.tf/profiles/76561199581722058#!/compare/1772928000/1773014400

Dumped to STN in bulk for 31 keys, was then sold and listed on Mannco.Store but no way to find out who it was

MPTF: https://marketplace.tf/items/tf2/31349;5;u3114

Items 4 and 5: https://backpack.tf/item/13248503632 https://backpack.tf/item/13506952131

Sale 10:

Sold for $4.99 on Feb 2 2026

Keys were $1.85 https://marketplace.tf/items/tf2/5021;6

4.99/1.85=2.7 keys

Sale 11:

Sold for $4.99 on Mar 23

Kerys were $1.92

4.99/1.92=2.6 keys

Sales:

2.6, 2.7

Sellers:

BPTF - https://imgur.com/8RqydvB none

MPTF - https://marketplace.tf/items/tf2/31349;5;u3114 none

STN - https://stntrading.eu/item/tf2/Unusual+Solar+Scorched+Taunt%3A+The+Head+Doctor none

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20The%20Head%20Doctor?filter=Solar+Scorched https://imgur.com/WNpdC1Z none

Going with 2.6-2.7 keys