History 1: https://backpack.tf/item/4463399943

Dumped to Quicksell.Store in bulk for the Strange Professional Killstreak Machina:

https://backpack.tf/profiles/76561198881338506#!/compare/1632960000/1633132800

https://backpack.tf/profiles/76561199084784906#!/compare/1633046400/1633132800

Sold for 4 keys + C9 Tartan Spartan + Strange Part: Player Hits + Strange Part: Not Crit nor MiniCrit Kills + Specialized Killstreak Nostromo Napalmer + Haunted Voodoo-Cursed Spy Soul:

https://backpack.tf/profiles/76561199084784906#!/compare/1634774400/1634860800

https://backpack.tf/profiles/76561198066968595#!/compare/1634256000/1639180800

Since this is Quicksell.Store everything was most likely valued at buy orders at the time of the sale:

Tartan Spartan: https://gladiator.tf/listings/6171eca1a71df96118a8eb62 ~12.56 keys

Players Hit: https://gladiator.tf/listings/617209d415ea4505fcd04192 ~1.09 keys

Non-Crit: https://gladiator.tf/listings/6172ae9713af89d484483cc0 ~0.25 keys

Nostromo: https://gladiator.tf/listings/617281596f4cccd4fc79d072 ~2.06 keys

Spy Soul: https://gladiator.tf/listings/617301f8d66a77e8b5be694a ~1 key

so 12.56+1.09+0.25+2.06+1=16.96 ~17 keys

Buyout was 20 keys 30 ref, won't cap https://gladiator.tf/listings/61708349111f1793c90ce247

History 2: https://backpack.tf/item/4206915144

https://marketplace.tf/items/tf2/30627;5;u36

$33.99 / $1.87 = 18.18 keys ~18 keys

taking 17-18 keys