Item 1: https://backpack.tf/item/13467572400

Sale 1:

https://backpack.tf/profiles/76561198113622176#!/compare/1766534400/1766620800

https://backpack.tf/profiles/76561198311498888#!/compare/1766534400/1766620800

Dumped to STN, untrace

Sale 2:

https://backpack.tf/profiles/76561198311498888#!/compare/1771113600/1771200000

https://backpack.tf/profiles/76561199414238669#!/compare/1770854400/1771200000

Sold alongside 12.77 ref for 9 keys (taking 54.33 ref as the mid-point for keys, 12.77/54.33=0.23 keys), 9-0.23=8.77 ~9 keys

Item 2: https://backpack.tf/item/14449176525

Withdrawn from bot and listed on Mannco.Store

Item 3: https://backpack.tf/item/15967021027

Sale 2:

https://backpack.tf/profiles/76561198392239212#!/compare/1766188800/1766448000

https://backpack.tf/profiles/76561199059160806#!/compare/1766361600/1766448000

Dumped to a bot, 11 keys and 3 ref match, then either it was instantly bought then listed on Mannco.Store or the bot owner listed it there

I somewhat doubt this is correct but the compares show it

Item 4: https://backpack.tf/item/15995028294

Sale 3:

https://backpack.tf/profiles/76561198159642736#!/compare/1761004800/1769817600

https://backpack.tf/profiles/76561198882175555#!/compare/1769731200/1769817600

Untrace

Sales:

9, 11

Sellers:

BPTF - https://imgur.com/auKQ15f 2 at 10 keys (3 months and 11 days)

MPTF - https://marketplace.tf/items/tf2/31155;5;u3200 none

STN - https://stntrading.eu/item/tf2/Unusual+Lost+Signal+Taunt%3A+Rocket+Jockey none

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Rocket%20Jockey?filter=Lost+Signal https://imgur.com/Rqm5kfZ none

If the 11 key sale is correct, it looks high given one of the 10 key sellers has been there for 3 months, going with 9 keys flat