History 1: https://backpack.tf/item/6126047122

17 keys + Strange Specialized Killstreak Bazaar Bargain + Haunted Voodoo-Cursed Soldier Soul:

https://backpack.tf/profiles/76561198188093413#!/compare/1613520000/1613606400

https://backpack.tf/profiles/76561198156936093#!/compare/1613606400/1613692800

The Bazaar is ~1.5-1.7 keys, mean of 1.6 https://imgur.com/O6gMVQe

Taking buyers on the Soldier Soul since it doesn't have any sales https://imgur.com/lPeYRyd (0.45 keys)

17+1.6+0.45=19.05 ~19 keys

Buyout was 19 keys 25 ref https://gladiator.tf/listings/602d692c8f9807e6a459b4a4

2 keys + Night Owl Sniper Rifle (Factory New), more must have been involved:

https://backpack.tf/profiles/76561198156936093#!/compare/1613865600/1614038400

https://backpack.tf/profiles/76561198133596451#!/compare/1613952000/1614038400

Dumped to a bot for 12 keys:

https://backpack.tf/profiles/76561198133596451#!/compare/1614124800/1614211200

https://backpack.tf/profiles/76561198337734785#!/compare/1614124800/1614211200

21 keys match in buyer's compare:

https://backpack.tf/profiles/76561198337734785#!/compare/1614902400/1614988800

https://backpack.tf/profiles/76561198362373891#!/compare/1614988800/1615075200

History 2: https://backpack.tf/item/347075568

Untraceable/SCM:

https://backpack.tf/profiles/76561198053928373#!/compare/1614038400/1614297600

https://backpack.tf/profiles/76561198080179568#!/compare/1613952000/1614038400

Tradebacks

Dumped to a bot:

https://backpack.tf/profiles/76561198080179568#!/compare/1615248000/1615334400

https://backpack.tf/profiles/76561198337734785#!/compare/1615248000/1615334400

Untraceable, nothing matches:

https://backpack.tf/profiles/76561198337734785#!/compare/1615593600/1615680000

https://backpack.tf/profiles/76561198352720480#!/compare/1615593600/1615852800

Only 5 keys match in both seller's and buyer's compare, more must have been involved:

https://backpack.tf/profiles/76561198352720480#!/compare/1616716800/1616889600

https://backpack.tf/profiles/76561198870677467#!/compare/1616716800/1617148800

Marketplace.tf sale: https://marketplace.tf/items/tf2/146;5;u11

March 2: $36.99/2.16=17.13 ~17 keys

Sales at 12, 17, 19, 21

12 was a bot dump, going with 17-21